Era definition is - a fixed point in time from which a series of years is reckoned. As mentioned above, the earliest era is Precambrian It began about 4600 millions of years ago. A wave 01 beating cilia appears. the era of global communications age is used frequently of a fairly definite period dominated by a prominent figure or feature. Acquisition cost for equipment, for example, means the net invoice price of the equipment, including the cost of any modifications, attachments, accessories, or auxiliary apparatus necessary to make it usable for the purpose for which it is acquired. A time scale established by geologists that reflects a consistent sequence of historical periods, grouped into four eras: Precambrian, Paleozoic, Mesozoic, and Cenozoic. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'era.' The cilia of the corona do not beat simultaneously. Mesozoic Era (251-65.5 million years ago) Few new animal body plans emerged among animals during the Mesozoic era. Slippery Words Quiz—Changing with the Times. Byzantium by Ben Stroud A debut collection of stories that spans countries and eras with delightful ease. Scientists in the Soviet Union appear to have used the term "anthropocene" as early as the 1960s to refer to the Quaternary, the most recent geological period. a major division of geologic time composed of a number of periods. It is worth remembering, however, that diplomats in all eras have struggled with the question of privacy. the steam engine marked a new epoch in industry era suggests a period of history marked by a new or distinct order of things. The American Heritage® Science Dictionary Usually, complete extinction of a species takes very long amounts of time and does not happen all at once. Delivered to your inbox! dictionary of the u s supreme court historical dictionaries of u s politics and political eras can be one of the options to accompany you afterward having supplementary time. Adaptive radiation, evolution of an animal or plant group into a wide variety of types adapted to specialized modes of life. Era: Period: MYBP: Epochs: MYBP: Biology: Geology: Cenozoic: Quaternary 3: Holocene … In the oceans, the first coral reefs formed. All eras in a state of decline and dissolution are subjective; on the other hand, all progressive eras have an objective tendency. Spilling from the old vehicle were hippies of all eras decked out in tie-dye and top hats bejeweled with feathers and beads. The Geologic Time Scale is the history of the Earth broken down into four spans of time marked by various events, such as the emergence of certain species, their evolution, and their extinction, that help distinguish one era from another. : The use of steam for power marked the beginning of an era. period, epoch, era, age mean a division of time. This view is biased and prejudiced, because the term 'Dark Ages' is simply means that there are few written records remaining from that era, especially when comp… Fitness (often denoted in population genetics models) is a central idea in evolutionary and sexual selection theories. Adaptive radiations of multiple species from a single ancestral lineage are best exemplified in closely related groups that have evolved in a relatively short time. English Wikipedia - The Free Encyclopedia. How to use era in a sentence. The Scientific Revolution was a series of events that marked the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy) and chemistry transformed the views of society about nature. It is defined as the complete disappearance of a species when the last of its individuals dies off. American Heritage® Dictionary of … A daily challenge for crossword fanatics. adj. Animal phyla began to spread into new ecological niches. Published by Houghton Mifflin Harcourt Publishing Company. There are many written descriptions of physical disabilities, epilepsy, and mental illness from all eras. a point of time from which succeeding years are numbered, as at the beginning of a system of chronology: a date or an event forming the beginning of any distinctive period: The year 1492 marks an era in world history. Equal Rights Amendment: proposed 27th amendment to the U.S. Constitution that would prohibit discrimination on the basis of sex. half-life The number of years it takes for 50% of an original sample of an isotope to decay. How to use a word that (literally) drives some pe... Do you know these earlier meanings of words? A historical era is a specific time frame historians have classified due to commonalities within that time frame. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. Please tell us where you read or heard it (including the quote, if possible). the period of time to which anything belongs or is to be assigned: She was born in the era of hansoms and gaslight. Most animals have some sort of ear to perceive sounds, which are actually high-frequency vibrations caused by the movement of objects in the environment. e Biology is the natural science that studies life and living organisms, including their physical structure, chemical processes, molecular interactions, physiological mechanisms, development and evolution. 18 Eras and Periods. The term "extinction" is a familiar concept to most people. Poverty and ignorance replaced the great engineering works and relative peace of the Pax Romanum, and the controlling, growing church stifled development. historical dictionary of the clinton era historical dictionaries of us politics and political eras Nov 26, 2020 Posted By Stephen King Publishing TEXT ID d9832954 Online PDF Ebook Epub Library on amazonin read the historical dictionary of the eisenhower era examines significant individuals organizations and events in american political economic social and Reconstruction, the era following the U.S. Civil War, was an effort to reunify the divided nation and integrate African Americans into society. The cost of the asset including the cost to ready the asset for its intended use. General. Era of Conservation Biology - 1980 to present. Historical Dictionary of the Renaissance (Historical Dictionaries of Ancient Civilizations and Historical Eras) Categories: E-Books & Audio Books 582 pages | English | ISBN-10: 0810848678 | ISBN-13: 9780810848672 All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Definition of ERAS in the Definitions.net dictionary. 1. a period marked by distinctive character or reckoned from a fixed point or event 2. a major division of geological time; an era is usually divided into two or more periods 3. a particular length of time with a beginning and an end Tomorrow’s weather will be dry with sunny periods. period of His playing improved in a very short period of time. All green plants and a few other autotrophic organisms utilize photosynthesis to synthesize nutrients by using carbon dioxide, water and sunlight. Wikipedia Dictionaries. Fitness (biology) Definition from Encyclopedia Dictionaries & Glossaries. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a … period may designate an extent of time of any length. Either way, this quiz on Spanish words for animals is for you. — Jo Ann Skousen Learn a new word every day. Synonym Discussion of era. the age of Samuel Johnson. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition With the aid of arrogant hindsight, the modern perspective of medieval society is of a war-torn and barbaric Europe. Rather each cilium beat earlier than the next cilium. , name for the major portion of the Cenozoic era, the most recent of the geologic eras (see Geologic Timescale, table) from around 26 to 66 million years ago. • ERA (noun) The noun ERA has 3 senses:. Why Do “Left” And “Right” Mean Liberal And Conservative? The meaning of the word “Mesozoic” can be better understood by splitting it. 1 : of, relating to, originating in, or being an era before a modern one premodern societies/beliefs the pre-modern world in premodern times … still living in huts and using pre-modern agricultural methods 150 years after the invention of the steam engine. The name Tertiary was first applied about the middle of the 18th cent. But with important conservation laws in place and with more and more public involvement, preserving and restoring our endangered wildlife species has finally become possible. All rights reserved. Its beginning and end are recognized by major changes in layers of rocks and fossils in the earth. As ends of eras go, he recalls, it was mostly whimper and not much bang. What Is An Em Dash And How Do You Use It? Late Latin aera, from Latin, counters, plural of aer-, aes copper, money — more at ore. “Era.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/era. See more. It will not waste your time. Therefore, “Mesozoic” means “middle animals” or “intermediate animals.” Further, the word “era” … The neighbours laughed, and rather hoped that Brontu was amusing himself at the expense of the Eras. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The rotifers derive their name from characteristic ciliated organ called corona. Despite the complexity of the science, certain unifying concepts consolidate it into a … “Frosting” vs. “Icing”: Are They Synonyms (Or Just Taste Like They Are)? The building was constructed in 1870, and the material of that, Many of us New York City singer-songwriters of that, This gives us a new perspective on the prodigious output of composers of that, Adams had so many personal connections with people from that, There are still 20 cases pending in South Texas from that, The Difference Between 'Hoard' and 'Horde'. a period of time considered as being of a distinctive character; epoch, an extended period of time the years of which are numbered from a fixed point or event, a point in time, esp one beginning a new or distinctive period, the discovery of antibiotics marked an era in modern medicine, a major division of geological time, divided into several periods, (in Britain) Education Reform Act: the 1988 act which established the key elements of the National Curriculum, (in the US) Equal Rights Amendment: a proposed amendment to the US Constitution enshrining equality between the sexes, How The Cold War Endgame Played Out In The Rubble Of The Berlin Wall, On the Road With Kesey's (Drug-Free) Acid Test, The Three Devils: Luther's, Milton's, and Goethe's. PHYLUM ROTIFERA (rota, wheel ± (era, to bear) Characteristics of the phylum Rotifera are: 1. Test your knowledge - and maybe learn something along the way. The Most Surprisingly Serendipitous Words Of The Day, The Dictionary.com Word Of The Year For 2020 Is …. 'Nip it in the butt' or 'Nip it in the bud'. An early concept for the Anthropocene was the Noosphere by Vladimir Vernadsky, who in 1938 wrote of "scientific thought as a geological force". See the full definition for era in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for era, Nglish: Translation of era for Spanish Speakers, Britannica English: Translation of era for Arabic Speakers, Britannica.com: Encyclopedia article about era. What made you want to look up era? Dictionary entry overview: What does ERA mean? 'All Intensive Purposes' or 'All Intents and Purposes'? Information and translations of ERAS in the most comprehensive dictionary definitions resource on the web. Many of the great coaching inns of the Queen Anne and Georgian eras are not lacking in good proportion and correct classic detail. Corona is present around lobes on the head. In the quiet of a country town, far removed from actual contact with painful scenes, but on the edge of the whirlwind raised by the Fugitive Slave Bill, memory and imagination had full scope, and she wrote for serial publication in The National Era, an anti-slavery paper of Washington, D.C., the story of "Uncle Tom's Cabin; or, Life among the Lowly." a period of time marked by distinctive character, events, etc. : The use of steam for power marked the beginning of an era. Or do you just have an interest in foreign languages? Start studying AP Biology - Ch. Are you learning Spanish? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! a system of chronologic notation reckoned from a given date: The era of the Romans was based upon the time the city of Rome was founded. a brief period of silence The drug was tested over a five-week period. periods of economic prosperity epoch applies to a period begun or set off by some significant or striking quality, change, or series of events. Geological Eras: A geological era is a very long division of geological time, lasting tens of millions of years. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Copyright © 2011. Could eras be affixed to these residences, it would give entire accuracy to the modern part of their history. Photosynthesis definition states that the process exclusively takes place in the chloroplasts through photosynthetic pigments such as chlorophyll a, chlorophyll b, carotene and xanthophyll. “Depression” vs. “Anxiety”: Which Do I Have (Or Is It Both)? Send us feedback. Dictionary.com Unabridged © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins archaean synonyms, archaean pronunciation, archaean translation, English dictionary definition of archaean. There are several modern alternative domain classifications of life. The ear is the organ found in animals which is designed to perceive sounds. Today we are faced with many challenges when it comes to our wildlife. Variant of Archean. Ear Definition. Cenozoic Era, third of the major eras of Earth ’s history, beginning about 66 million years ago and extending to the present. Meaning of ERAS. There are eras which will have novelties at all cost, and eras which cling to antiquity. Define archaean. In biological taxonomy, a domain (also superregnum, superkingdom, or empire) is a taxon in the highest rank of organisms, higher than a kingdom.. Domain (or its synonyms) is the most inclusive of these biological groupings.The arrangement of taxa reflects the fundamental evolutionary differences in the genomes. Accessed 25 Jan. 2021. “Affect” vs. “Effect”: Use The Correct Word Every Time. It was the interval of time during which the continents assumed their modern configuration and geographic positions and during which Earth’s flora … “Meso” means “middle” or “intermediate” and “zoic” is a word used in relation to animals. agree to me, the e-book will unquestionably ventilate you supplementary issue to read. What Is The Difference Between “It’s” And “Its”? These are examples of historical eras, also called historical periods. Era definition, a period of time marked by distinctive character, events, etc. Are ) ( era, to bear ) Characteristics of the word 'era. adaptive,... 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