What is an eon of time - Home related calls 0808 501 5200. Business related calls 0808 501 5699. We're always still here for you after 5pm or over the weekend if you have an emergency with your prepayment or credit meter. You can either call 0808 501 5088, or you can email us or get in touch on our Social Media channels. E.ON Next Energy Limited.

 
If you want to change your tariff outside of this time, the best way is to give us a call on 0808 501 5200 or email us at hi@eonnext.com. We’re available 9am - 5pm Monday to Thursday, 9am - 4pm Friday on the phones and you can email us 24/7 - we’ll reply to your email between 8am and 10pm.. State of ks self service

If you want to change your tariff outside of this time, the best way is to give us a call on 0808 501 5200 or email us at [email protected]. We’re available 9am - 5pm Monday to Thursday, 9am - 4pm Friday on the phones and you can email us 24/7 - we’ll reply to your email between 8am and 10pm. eon = The largest unit of time. era = A unit of time shorter than an eon but longer than a period. period = A unit of time shorter than an era but longer than epoch. epoch = A unit of time shorter than a period but longer than an age. Archean = “Ancient” eon from 4,500 Mya – 2,500 Ma. What are the 12 periods in the geologic time scale?Some Republicans and others expressed disappointment in Biden's Oval Office speech that highlighted the Hamas-Israel war, the humanitarian crisis in Gaza and Ukraine.Geological time starts with the Precambrian eon, marked by the Hadean, the Archaean, and the Proterozoic eras. Then there is the Phanerozoic eon, with the Paleozoic, the Mesozoic, and the Cenozoic ...1 : an immeasurably or indefinitely long period of time : age I haven't seen him in eons. 2 a : a very large division of geologic time usually longer than an era the Archean eon b : a unit of geologic time equal to one billion years Examples of eon in a SentenceThe Hadean Eon. The Hadean Eon is the oldest time on the geologic time scale. This eon began with the formation of the earth about 4.6 billion years ago. During this time, the temperatures of the earth were high and no life could survive here. The name “Hadean” came as a result of the high temperature and incessant volcanic activities.Study with Quizlet and memorize flashcards containing terms like An Eon is the smallest division of geologic time., What is an unconformity, and where can one be seen in this diagram?, _____ fossils are indirect but clear evidence of life. and more.Some Republicans and others expressed disappointment in Biden's Oval Office speech that highlighted the Hamas-Israel war, the humanitarian crisis in Gaza and Ukraine.Proterozoic Eon, the younger of the two divisions of Precambrian time, extending from 2.5 billion to 541 million years ago. During the Proterozoic, the atmosphere and oceans changed significantly. Its rocks contain the fossil remains of bacteria and blue-green algae as well as the first oxygen-dependent animals. An eon is not a set period of time - instead, it is considered to be an age, usually consisting of 2 or more eras. Just think of it as a very long period of time. It is the largest division of ...Are we so fixated on finding evidence of aliens that we can't see the truth? Learn about recent UFO sightings from Stuff They Don't Want You To Know. Advertisement For eons, people have been reporting sightings of strange objects in the sky...The Cenozoic, Mesozoic, and Paleozoic are the Eras of the Phanerozoic Eon. Names of units and age boundaries usually follow the Gradstein et al. (2012), Cohen et al. (2012), and Cohen et al. (2013, updated) compilations. Numerical age estimates and picks of boundaries usually follow the Cohen et al. (2013, updated) compilation.Texas is 60-41 this season when entering a game favored by -117 or more on the moneyline. The moneyline for this contest implies a 53.9% chance of a victory for the Rangers. So far this season, Texas and its opponents have hit the over in 87 of 170 games with a total. The Rangers are 95-75-0 ATS in their 170 games with a spread this season.If I offend let me know by private message, but I’ll continue to express my opinions nonetheless. E.ON Next Community Thread What are my Economy 7 times? So how do you identify the times that your Economy 7 reduced rate period operates? First, you look in …Eon has a number of meanings. In Astronomy, an eon refers to 1 billion ( 109) years. But it also refers to a very long, unspecified period of time, or specific geologic stages of the Earth. Explanation:KSI and Tommy Fury’s big fight ended in a controversial decision at the AO Arena in Manchester! Fury was deducted a point but picked up the majority win as fans BOOOED the decision when his n…Major divisions in the fossil record. The longest interval of time is called _____. An eon. The solar system developed during the: Hadean Eon. The atmosphere was filled with poisonous gases during the: Archean Eon. Which of the following events define the Proterozoic eon?The geological time scale--shown above in a simplified form--is one of the crowning achievements of science in general and geology in particular. It is a reference and communication system for comparing rocks and fossils from throughout the world and is geology's equivalent of the periodic table of the elements.Eon definition: an extremely long, indefinite period of time; thousands and thousands of years | Meaning, pronunciation, translations and examples in American EnglishRedirecting to /r/videos/comments/bsf4br/amount_of_times_my_leg_is_screamed_in_the_whole/eon890p/.www .eon .com. E.ON SE [2] is a German multinational electric utility company based in Essen, Germany. It operates as one of the world's largest investor-owned electric utility service providers. The name originates from the Latin word aeon, derived from the Greek aion, which means age. [3] The company is a component of the Euro Stoxx 50 stock ...An eon is a really, really, super-long, impossible-to-measure length of time. If you sit down to dinner hanging your head and moaning that it's been an eon since you ate …Hadean Eon, informal division of the Precambrian occurring between about 4.6 billion and about 4.0 billion years ago. It was the time of Earth's initial formation—the accretion of dust and gases, collisions with larger bodies, the stabilization of its core and crust, and the rise of its atmosphere and oceans.When we bill your account, your online balance will automatically update to reflect your true balance. Sometimes your bill may not be sent straight away - e.g. we’re still waiting for a reading for one of your fuels - so we will wait to send out your statement so we can give all the information at once. Eons and eonothems? Periods and systems? Understanding how geologists talk about time Mass extinctions Classifying time To make geologic time easier to comprehend, geologists divided the 4.6 billion years of Earth’s history into units of time called eons.Era, a very long span of geological time; in formal usage, the second longest portion of geologic time after an eon. Ten eras are recognized by the International Union of Geological Sciences. An era is composed of one or more geological periods. The stratigraphic, or rock, term that corresponds to ‘era’ is ‘erathem.’. 25 subscribers in the PNWPeakBaggers community. PNW PeakBaggers is a community of PeakBaggers focused on climbing peaks in the Pacific Northwest…Oct 5, 2021 · Geologic Time Scale. Humans subdivide time into useable units such as our calendar year, months, weeks, and days; geologists also subdivide time. They have created a tool for measuring geologic time, breaking it into useable, understandable segments. For the purposes of geology, the “calendar” is the geologic time scale. Dec 2, 2022 · An eon is an immeasurable unit of time. One can say “an eon” or use any other word that would quantify an infinite, indeterminable period. An eon is any indefinite, very long period. In the ancient scriptures, eon is also said to be an archaic name for omnipotent beings like Gods. Eons are the largest time scale in the geologic timescale. No Time to Die is a 2021 spy film and the twenty-fifth in the James Bond series produced by Eon Productions, starring Daniel Craig in his fifth and final portrayal of fictional British MI6 agent James Bond.It was directed by Cary Joji Fukunaga from a screenplay he co-wrote with Neal Purvis, Robert Wade, and Phoebe Waller-Bridge, based on a story conceived …Some Republicans and others expressed disappointment in Biden's Oval Office speech that highlighted the Hamas-Israel war, the humanitarian crisis in Gaza and Ukraine.The process for changing your Riot ID is the same regardless of what game you play: Go to your Riot Account page. Change your Riot ID and tag however you like. Click Save Changes. On November 20, 2023, all players will be given a free Riot ID change regardless of how recently their last change may have been.By John Hogan. $ 4,000. In-Stock. Seattle-based glass artist John Hogan is renowned for his highly distinctive work, skillfully exploring the interplay of color and light. His diverse collection features a range of objects, vessels, and sculptures meticulously crafted using traditional blowing, hot sculpting, and other expert glassmaking ...A unit of time is any particular time interval, used as a standard way of measuring or expressing duration. The base unit of time in the International System of Units (SI), …no service time and costs EON Hop-Up Chamber. The fourth fruit of GATE team’s intensive works is a top-notch EON Hop-Up Chamber. The highly precise CNC machined hop-up chamber stuns with FPS precision & consistency, ensures a perfect sealing and BBs feeding.A unit of time is any particular time interval, used as a standard way of measuring or expressing duration. The base unit of time in the International System of Units (SI), …The price of Petrol variant for Eon ranges between ₹ 2.96 Lakh – ₹ 4.71 Lakh and the price of LPG variant for Eon ranges between ₹ 3.46 Lakh – ₹ 4.27 Lakh. Is eon longer than an era? Vocabulary: eon = The largest unit of time. era = A unit of time shorter than an eon but longer than a period. Where does the word eon originate from?By John Hogan. $ 7,500. In-Stock. Seattle-based glass artist John Hogan is renowned for his highly distinctive work, skillfully exploring the interplay of color and light. His diverse collection features a range of objects, vessels, and sculptures meticulously crafted using traditional blowing, hot sculpting, and other expert glassmaking ...In No Time To Die, Bond has left active service and is enjoying a tranquil life in Jamaica.His peace is short-lived when his old friend Felix Leiter from the CIA turns up asking for help. The mission to rescue a kidnapped scientist turns out to be far more treacherous than expected, leading Bond onto the trail of a mysterious villain armed with dangerous new …Below are the steps for making tables in Google Sheets by center aligning the header text: Select all the cells that have the headers. Click on the align text icon in the toolbar. Click on the Center align icon. The above steps would center align all …Eon, Long span of geologic time. In formal usage, eons are the longest portions of geologic time (eras are the second-longest). Three eons are recognized: the Phanerozoic Eon (dating from the present back to the beginning of the Cambrian Period), the Proterozoic Eon, and the Archean Eon. Study with Quizlet and memorize flashcards containing terms like An Eon is the smallest division of geologic time., What is an unconformity, and where can one be seen in this diagram?, _____ fossils are indirect but clear evidence of life. and more. An extremely long, indefinite period of time; thousands and thousands of years. · The major unit of geologic time, usually subdivided into eras. · A billion years ...Eon, EON or Eons may refer to: Time. Aeon, an indefinite long period of time; Eon (geology), a division of the geologic time scale; Arts and entertainment. Fictional …In addition, by clicking the "Accept all" button, you give us your consent to process your data in countries outside the European Union (EU), namely in the USA and in other third countries. Comprehensive information on cookies can be found in the individual settings and in our privacy policy. You can revoke your consent at any time.OnlyFans is the social platform revolutionizing creator and fan connections. The site is inclusive of artists and content creators from all genres and allows them to monetize their content while developing authentic relationships with their fanbase.8.5: Proterozoic Eon The Proterozoic Eon, meaning “earlier life,” is the eon of time after the Archean eon and ranges from 2.5 billion years old to 541 million years old. During this time, most of the central parts of the continents had formed and the plate tectonic process had started.For children and young people aged 18 and under who are recommended to take a COVID-19 test by a health professional and test positive, the advice is to try to stay at home and avoid contact with other people for three days. This is because children and young people tend to be infectious to other people for less time than adults.We live in the Holocene Epoch, of the Quaternary Period, in the Cenozoic Era (of the Phanerozoic Eon). Explanation: Answer link. Related questions.When we bill your account, your online balance will automatically update to reflect your true balance. Sometimes your bill may not be sent straight away - e.g. we’re still waiting for a reading for one of your fuels - so we will wait to send out your statement so we can give all the information at once.Define eon. eon synonyms, eon pronunciation, eon translation, English dictionary definition of eon. also ae·on n. 1. An indefinitely long period of time; an age.A unit of time is any particular time interval, used as a standard way of measuring or expressing duration. The base unit of time in the International System of Units (SI), and by extension most of the Western world, is the second, defined as about 9 billion oscillations of the caesium atom. The exact modern SI definition is " [The second] is ... For children and young people aged 18 and under who are recommended to take a COVID-19 test by a health professional and test positive, the advice is to try to stay at home and …15 hours ago · Aeon definition: An aeon is an extremely long period of time. | Meaning, pronunciation, translations and examples The name was coined because of the hellish conditions that existed on the planet 4.55 to 4 billion years ago, during the earliest times of planetary formation.The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into named units of abstract time called—in descending order of duration— eons, eras, periods, epochs, and ages.The …The eon is the broadest category of geological time. What is the longest eon of geologic time? The longest span of time measured on the geologic time scale is the Precambrian Era (also called the Precambrian Eon). It represents the time between 4.55 billion years to about 544 million years ago, or about seven-eighths of the Earth’s history.By looking at the layers beneath our feet, geologists have been able to identify and describe crucial episodes in life's history. These key events frame the ...Define eon. eon synonyms, eon pronunciation, eon translation, English dictionary definition of eon. also ae·on n. 1. An indefinitely long period of time; an age.noun the longest division of geological time synonyms: aeon see more noun an immeasurably long period of time "oh, that happened eons ago" synonyms: aeon see more noun (Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe synonyms: aeon see more Cite this entry Style: MLAThe Fund. The E.ON Next Energy Fund has been created to help our customers (including Sainsbury Energy) who are experiencing financial hardship and are struggling. There are two ways this fund can help and …We live in the Holocene Epoch, of the Quaternary Period, in the Cenozoic Era (of the Phanerozoic Eon). Explanation: Answer link. Related questions.In the Geologic Time Scale, time is generally divided on the basis of the earth’s biotic composition, with the Phanerozoic Eon (i.e. the Paleozoic, Mesozoic and Cenozoic Eras) representing the period of Earth’s history with advanced life forms, and the Pre Cambrian (or Proterozoic and Hadean Eras) representing the …In formal usage, eons are the longest portions of geologic time (eras are the second-longest). Three eons are recognized: the Phanerozoic Eon (dating from the present back to the beginning of the Cambrian Period), the Proterozoic Eon, and the Archean Eon. LessDefinition of Eon. “Eon,” also spelled as “aeon,” refers to the largest division of the geologic time scale, superseding eras. It signifies an indefinitely long period, often …Last January my oldest son was born. Today he turned 27 Now I’m trying to figure out how time works Eons ago I had three kids in 3 1/2 years.... Edit Your Post Published by Shelby Spear on January 7, 2021 Last January my oldest so...Hasbro is launching a new free, ad-supported streaming television (FAST) channel dedicated to Dungeons & Dragons. After the film “Dungeons & Dragons: Honor Among Thieves” became a hit, topping $200 million at the worldwide box office, Hasbr...Vocabulary: eon = The largest unit of time. era = A unit of time shorter than an eon but longer than a period. Where does the word eon originate from? It comes from …When we bill your account, your online balance will automatically update to reflect your true balance. Sometimes your bill may not be sent straight away - e.g. we’re still waiting for a reading for one of your fuels - so we will wait to send out your statement so we can give all the information at once.You can get help with energy problems. This includes issues with your bills or meters, or if you’re struggling to pay for the energy you use. If you live in England or Wales, go to citizensadvice.org.uk/energy or contact the Citizens Advice consumer service on 0808 223 1133, 9am - 5pm Monday to Friday. Relay UK: 18001 followed by 0808 223 1133.Eons. The eon is the broadest category of geological time. Earth's history is characterized by four eons; in order from oldest to youngest, these are the Hadeon, Archean, Proterozoic, and Phanerozoic. Collectively, the Hadean, Archean, and Proterozoic are sometimes informally referred to as the "Precambrian."15 hours ago · Aeon definition: An aeon is an extremely long period of time. | Meaning, pronunciation, translations and examples The Aeons are godlike, omnipotent and mysterious higher-dimensional beings in Honkai: Star Rail who preside over the universe. Each Aeon is associated with a Path, by which they can use its energy as they please, but they are also bound to it for the rest of their lives. There are 18 Aeons: The visible forms of Aeons that can be witnessed through the …The word aeon / ˈ iː ɒ n /, also spelled eon (in American and Australian English), originally meant "life", "vital force" or "being", "generation" or "a period of time", though it tended to be translated as "age" in the sense of "ages", "forever", "timeless" or "for eternity". An order of magnitude describes the link between two amounts. The difference between each step is usually 10, with each order being either 10 times greater or 10 times smaller than the next amount. This makes the scale easy to manipulate using logarithms. For time, the difference between the smallest limit of time, the Planck time, and the next ...Precambrian, period of time extending from about 4.6 billion years ago (the point at which Earth began to form) to the beginning of the Cambrian Period, 541 million years ago. The Precambrian encompasses the Archean and Proterozoic eons, which are formal geologic intervals that lasted from 4 billion to about 541 million years ago, and the ...For children and young people aged 18 and under who are recommended to take a COVID-19 test by a health professional and test positive, the advice is to try to stay at home and avoid contact with other people for three days. This is because children and young people tend to be infectious to other people for less time than adults.Below are the steps for making tables in Google Sheets by center aligning the header text: Select all the cells that have the headers. Click on the align text icon in the toolbar. Click on the Center align icon. The above steps would center align all …The Cenozoic, Mesozoic, and Paleozoic are the Eras of the Phanerozoic Eon. Names of units and age boundaries usually follow the Gradstein et al. (2012), Cohen et al. (2012), and Cohen et al. (2013, updated) compilations. Numerical age estimates and picks of boundaries usually follow the Cohen et al. (2013, updated) compilation. The name was coined because of the hellish conditions that existed on the planet 4.55 to 4 billion years ago, during the earliest times of planetary formation.What are the 4 eons of the geologic time scale? Geology. For example, the entire age of the earth is divided into four eons: the Hadean Eon, the Archean Eon, the Proterozoic Eon, and the Phanerozoic Eon. These four eons are further subdivided into eras (Table 7.3).Precambrian Supereon · Billions of years of Earth's past pre-dated animals, but established the conditions for animal life. · 9x · 12x · By the end of the ...1 : an immeasurably or indefinitely long period of time : age I haven't seen him in eons. 2 a : a very large division of geologic time usually longer than an era the Archean eon b : a unit of geologic time equal to one billion years Examples of eon in a SentenceStudy with Quizlet and memorize flashcards containing terms like An Eon is the smallest division of geologic time., What is an unconformity, and where can one be seen in this diagram?, _____ fossils are indirect but clear evidence of life. and more. Eon, EON or Eons may refer to: Time. Aeon, an indefinite long period of time; Eon (geology), a division of the geologic time scale; Arts and entertainmentPhanerozoic Eon. The first challenge in describing the Phanerozoic Eon is to define the concept of geologic time. Eon is the term used to describe an unusual long or even an indescribable length ...Rep. Jim Jordan (R-Ohio), a conservative firebrand endorsed by former president Donald Trump, is seeking to succeed Rep. Kevin McCarthy (R-Calif.), who was ousted more than two weeks ago.Eon, Long span of geologic time. In formal usage, eons are the longest portions of geologic time (eras are the second-longest). Three eons are recognized: the Phanerozoic Eon …The geologic time scale or geological time scale ( GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks).The amount of time light takes to travel one fermi (about the size of a nucleon) in a vacuum. millijiffy (physics) 3 × 10 −29 s. The amount of time light takes to travel one fermi (about the size of a nucleon) in a vacuum. xentojiffy (electronics) 1/6 × 10 28 s to 1/5 × 10 28 s. Used to measure the time between alternating power cycles. Study with Quizlet and memorize flashcards containing terms like An Eon is the smallest division of geologic time., What is an unconformity, and where can one be seen in this diagram?, _____ fossils are indirect but clear evidence of life. and more.

Eon definition: an extremely long, indefinite period of time; thousands and thousands of years | Meaning, pronunciation, translations and examples. Devonte graham ku

what is an eon of time

Archean Eon, also spelled Archaean Eon, the earlier of the two formal divisions of Precambrian time (about 4.6 billion to 541 million years ago) and the period when life first formed on Earth.The Archean Eon began about 4 billion years ago with the formation of Earth's crust and extended to the start of the Proterozoic Eon 2.5 billion years ago; the latter is the second formal division of ...By looking at the layers beneath our feet, geologists have been able to identify and describe crucial episodes in life's history. These key events frame the ...eon = The largest unit of time. era = A unit of time shorter than an eon but longer than a period. period = A unit of time shorter than an era but longer than epoch. epoch = A unit of time shorter than a period but longer than an age. Archean = “Ancient” eon from 4,500 Mya – 2,500 Ma. What are the 12 periods in the geologic time scale?Make a one-off payment to your account. You'll be taken to Worldpay where you'll need to fill in your card details and check the billing address is correct. Make payment. Cancel.Homo sapiens evolve. Study with Quizlet and memorize flashcards containing terms like List the following units of geologic time in order from shortest to longest: eon, epoch, era, period, What are the 2 eons on the geologic time scale? Circle which one is longest., How old is the Earth? and more. Sep 23, 2023 · Geologists divide the lifespan of Earth into a total of 4 eons. From origin to now, Earth’s 4 eons are the Hadean, Archean, Proterozoic and Phanerozoic Eon. The Hadean, Archean and Proterozoic eons are sometimes grouped as the Precambrian Eon. Eras. Eras are divisions of geologic time shorter than eons but longer than periods. The Archean Eon began about 4 billion years ago with the formation of Earth’s crust and extended to the start of the Proterozoic Eon 2.5 billion years ago; the latter is the second formal division of Precambrian time.Go to your Riot Account page. Change your Riot ID and tag however you like. Click Save Changes. On November 20, 2023, all players will be given a free Riot ID change regardless of how recently their last change may have been. This free Riot ID change will be refreshed a handful of times in the months following this initial release, after which ...The geologic time scale or geological time scale ( GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks).noun the longest division of geological time synonyms: aeon see more noun an immeasurably long period of time “oh, that happened eons ago” synonyms: aeon see more noun (Gnosticism) a divine power or nature emanating from the Supreme Being and playing various roles in the operation of the universe synonyms: aeon see more Cite this entry Style: MLATexas is 60-41 this season when entering a game favored by -117 or more on the moneyline. The moneyline for this contest implies a 53.9% chance of a victory for the Rangers. So far this season, Texas and its opponents have hit the over in 87 of 170 games with a total. The Rangers are 95-75-0 ATS in their 170 games with a spread this season.The phanerozoic period covered 541 million years to the present. The phanerozoic era begins with the Cambrian period when animals initially developed hard ...Major divisions in the fossil record. The longest interval of time is called _____. An eon. The solar system developed during the: Hadean Eon. The atmosphere was filled with poisonous gases during the: Archean Eon. Which of the following events define the Proterozoic eon? Rep. Jim Jordan (R-Ohio), a conservative firebrand endorsed by former president Donald Trump, is seeking to succeed Rep. Kevin McCarthy (R-Calif.), who was ousted more than two weeks ago.Although astronomers and geologists use the word “eon” to mean 1 billion years, it is more commonly used to refer to any long, indefinite period of time. Like the words “age,” “epoch” and “era,” it does not refer to a set number of years.The amount of time light takes to travel one fermi (about the size of a nucleon) in a vacuum. millijiffy (physics) 3 × 10 −29 s. The amount of time light takes to travel one fermi (about the size of a nucleon) in a vacuum. xentojiffy (electronics) 1/6 × 10 28 s to 1/5 × 10 28 s. Used to measure the time between alternating power cycles.Phanerozoic Eon, the span of geologic time extending about 541 million years from the end of the Proterozoic Eon (which began about 2.5 billion years ago) to the present. The Phanerozoic, the eon of visible life, is divided into three major spans of time largely on the basis of characteristicFOREX.com may, from time to time, offer payment processing services with respect to card deposits through StoneX Financial Ltd, Moor House First Floor, 120 London Wall, London, EC2Y 5ET. GAIN Global Markets Inc. is part of the GAIN Capital Holdings, Inc. group of companies, which has its principal place of business at 30 Independence …Era, a very long span of geological time; in formal usage, the second longest portion of geologic time after an eon. Ten eras are recognized by the International Union of Geological Sciences. An era is composed of one or more geological periods. The stratigraphic, or rock, term that corresponds to ‘era’ is ‘erathem.’.Era, a very long span of geological time; in formal usage, the second longest portion of geologic time after an eon. Ten eras are recognized by the International Union of Geological Sciences. An era is composed of one or more geological periods. The stratigraphic, or rock, term that corresponds to ‘era’ is ‘erathem.’.Define eon. eon synonyms, eon pronunciation, eon translation, English dictionary definition of eon. also ae·on n. 1. An indefinitely long period of time; an age..

Popular Topics