| 单词 | actinide |
| 释义 | actinide[ ak-tuh-nahyd ] / ˈæk təˌnaɪd / noun Chemistry.any element of the actinide series. Origin of actinide1940–45; actin- + -ide, on the model of lanthanide Words nearby actinideactinic dermatitis, actinic elastosis, actinic granuloma, actinic keratosis, actinic ray, actinide, actinide series, actiniform, actinin, actinism, actinium Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for actinideactinide / (ˈæktɪˌnaɪd) / nouna member of the actinide seriesAlso called: actinon Word Origin for actinideC19: from actino- + -ide 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 Medical definitions for actinideactinide [ ăk′tə-nīd′ ] n.Any of a series of chemically similar radioactive elements with atomic numbers ranging from 89 (actinium) through 103 (lawrencium). The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for actinideactinide [ ăk′tə-nīd′ ] Any of a series of chemically similar metallic elements with atomic numbers ranging from 89 (actinium) to 103 (lawrencium). All of these elements are radioactive, and two of the elements, uranium and plutonium, are used to generate nuclear energy. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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