As ends of eras go, he recalls, it was mostly whimper and not much bang. A daily challenge for crossword fanatics. “Affect” vs. “Effect”: Use The Correct Word Every Time. : The use of steam for power marked the beginning of an era. Delivered to your inbox! Accessed 25 Jan. 2021. All rights reserved. The American Heritage® Science Dictionary Rather each cilium beat earlier than the next cilium. Corona is present around lobes on the head. Could eras be affixed to these residences, it would give entire accuracy to the modern part of their history. Its beginning and end are recognized by major changes in layers of rocks and fossils in the earth. : The use of steam for power marked the beginning of an era. Equal Rights Amendment: proposed 27th amendment to the U.S. Constitution that would prohibit discrimination on the basis of sex. 'All Intensive Purposes' or 'All Intents and Purposes'? There are eras which will have novelties at all cost, and eras which cling to antiquity. Fitness (biology) Definition from Encyclopedia Dictionaries & Glossaries. Spilling from the old vehicle were hippies of all eras decked out in tie-dye and top hats bejeweled with feathers and beads. Mesozoic Era (251-65.5 million years ago) Few new animal body plans emerged among animals during the Mesozoic era. 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." Please tell us where you read or heard it (including the quote, if possible). What Is An Em Dash And How Do You Use It? the era of global communications age is used frequently of a fairly definite period dominated by a prominent figure or feature. 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. Usually, complete extinction of a species takes very long amounts of time and does not happen all at once. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition A wave 01 beating cilia appears. It is defined as the complete disappearance of a species when the last of its individuals dies off. Learn a new word every day. Send us feedback. Animal phyla began to spread into new ecological niches. 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. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Photosynthesis definition states that the process exclusively takes place in the chloroplasts through photosynthetic pigments such as chlorophyll a, chlorophyll b, carotene and xanthophyll. General. 'Nip it in the butt' or 'Nip it in the bud'. These are examples of historical eras, also called historical periods. English Wikipedia - The Free Encyclopedia. Slippery Words Quiz—Changing with the Times. Ear Definition. An early concept for the Anthropocene was the Noosphere by Vladimir Vernadsky, who in 1938 wrote of "scientific thought as a geological force". 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. A historical era is a specific time frame historians have classified due to commonalities within that time frame. a period of time marked by distinctive character, events, etc. See more. 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 … , 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. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Synonym Discussion of era. Fitness (often denoted in population genetics models) is a central idea in evolutionary and sexual selection theories. 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. Start studying AP Biology - Ch. Definition of ERAS in the Definitions.net dictionary. Cenozoic Era, third of the major eras of Earth ’s history, beginning about 66 million years ago and extending to the present. “Meso” means “middle” or “intermediate” and “zoic” is a word used in relation to animals. Despite the complexity of the science, certain unifying concepts consolidate it into a … Reconstruction, the era following the U.S. Civil War, was an effort to reunify the divided nation and integrate African Americans into society. There are many written descriptions of physical disabilities, epilepsy, and mental illness from all eras. a brief period of silence The drug was tested over a five-week period. Many of the great coaching inns of the Queen Anne and Georgian eras are not lacking in good proportion and correct classic detail. The meaning of the word “Mesozoic” can be better understood by splitting it. adj. “Depression” vs. “Anxiety”: Which Do I Have (Or Is It Both)? period of His playing improved in a very short period of time. Today we are faced with many challenges when it comes to our wildlife. Era of Conservation Biology - 1980 to present. The neighbours laughed, and rather hoped that Brontu was amusing himself at the expense of the Eras. 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. 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. 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. agree to me, the e-book will unquestionably ventilate you supplementary issue to read. archaean synonyms, archaean pronunciation, archaean translation, English dictionary definition of archaean. the age of Samuel Johnson. 18 Eras and Periods. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. the period of time to which anything belongs or is to be assigned: She was born in the era of hansoms and gaslight. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Era definition is - a fixed point in time from which a series of years is reckoned. Published by Houghton Mifflin Harcourt Publishing Company. Either way, this quiz on Spanish words for animals is for you. 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'. Copyright © 2011. 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. It will not waste your time. There are several modern alternative domain classifications of life. Dictionary.com Unabridged 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. What Is The Difference Between “It’s” And “Its”? The name Tertiary was first applied about the middle of the 18th cent. periods of economic prosperity epoch applies to a period begun or set off by some significant or striking quality, change, or series of events. 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… Dictionary entry overview: What does ERA mean? All eras in a state of decline and dissolution are subjective; on the other hand, all progressive eras have an objective tendency. PHYLUM ROTIFERA (rota, wheel ± (era, to bear) Characteristics of the phylum Rotifera are: 1. The Most Surprisingly Serendipitous Words Of The Day, The Dictionary.com Word Of The Year For 2020 Is …. It was the interval of time during which the continents assumed their modern configuration and geographic positions and during which Earth’s flora … Define archaean. The rotifers derive their name from characteristic ciliated organ called corona. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. All green plants and a few other autotrophic organisms utilize photosynthesis to synthesize nutrients by using carbon dioxide, water and sunlight. Adaptive radiation, evolution of an animal or plant group into a wide variety of types adapted to specialized modes of life. As mentioned above, the earliest era is Precambrian It began about 4600 millions of years ago. Wikipedia Dictionaries. 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 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. In the oceans, the first coral reefs formed. The ear is the organ found in animals which is designed to perceive sounds. Geological Eras: A geological era is a very long division of geological time, lasting tens of millions of years. How to use a word that (literally) drives some pe... Do you know these earlier meanings of words? — Jo Ann Skousen Are you learning Spanish? 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 Variant of Archean. The cilia of the corona do not beat simultaneously. period, epoch, era, age mean a division of time. A five-week period and relative peace of the great coaching inns of the Day, the e-book unquestionably... 18Th cent noun era has 3 senses: extent of time and not! He recalls, it would give entire accuracy to the U.S. Constitution that would prohibit discrimination the! 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