单词 | carboniferous |
释义 | Carboniferous[ kahr-buh-nif-er-uhs ] / ˌkɑr bəˈnɪf ər əs / adjectivenoting or pertaining to a period of the Paleozoic Era, including the Pennsylvanian and Mississippian periods as epochs, occurring from 345 million to 280 million years ago. (lowercase) producing carbon or coal. nounthe Carboniferous Period or System. Origin of Carboniferous1790–1800; <Latin carbōn- (stem of carbō) coal + -i- + -ferous OTHER WORDS FROM Carboniferouspost-Car·bon·if·er·ous, adjectivepre-Car·bon·if·er·ous, adjectiveWords nearby Carboniferouscarbon footprint, carbonic, carbonic acid, carbonic-acid gas, carbonic anhydrase, Carboniferous, carbonium, carbonium ion, carbonization, carbonize, carbonless paper Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for CarboniferousBritish Dictionary definitions for Carboniferous (1 of 2)carboniferous / (ˌkɑːbəˈnɪfərəs) / adjectiveyielding coal or carbon British Dictionary definitions for Carboniferous (2 of 2)Carboniferous / (ˌkɑːbəˈnɪfərəs) / adjectiveof, denoting, or formed in the fifth period of the Palaeozoic era, between the Devonian and Permian periods, lasting for nearly 64 million years during which coal measures were formed nounthe Carboniferous the Carboniferous period or rock system Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for CarboniferousCarboniferous [ kär′bə-nĭf′ər-əs ] The period of geologic time from about 360 to 286 million years ago. The term is used throughout the world, although this period of time has been separated into the Mississippian (lower Carboniferous) and Pennsylvanian (upper Carboniferous) in the United States. During this time, widespread swamps formed in which plant remains accumulated and later hardened into coal. See Chart at geologic time. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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