| 单词 | carbon 14 |
| 释义 | carbon 14nounradiocarbon (def. 1). Also car·bon-14 [kahr-buhn-fawr-teen, -fohr-]. /ˈkɑr bən fɔrˈtin, -foʊr-/. Origin of carbon 14First recorded in 1935–40 Words nearby carbon 14carboluria, car bomb, carbon, carbon 12, carbon 13, carbon 14, carbon-14 dating, carbonaceous, carbonade, carbonado, carbonara Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for carbon 14
Cultural definitions for carbon 14carbon 14 A radioactive isotope of carbon. A carbon 14 atom contains six protons, six electrons, and eight neutrons. Carbon 14 is produced when neutrons bombard atoms of nitrogen. notes for carbon 14Carbon 14 is used in a common form of radioactive dating to determine the age of ancient objects. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for carbon 14carbon 14 A naturally occurring radioactive isotope of carbon having six protons and eight neutrons in the nucleus. Carbon 14 is important in dating archaeological and biological remains by radiocarbon dating. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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