单词 | protium |
释义 | protium[ proh-tee-uhm, -shee-uhm ] / ˈproʊ ti əm, -ʃi əm / noun Chemistry.the lightest and most common isotope of hydrogen. Symbol:1H Origin of protiumFirst recorded in 1930–35; prot- + -ium Words nearby protiumprothrombinase, prothrombin test, protist, Protista, protistology, protium, proto-, protoactinium, Proto-Algonquian, protoavis, protocal Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for protiumBritish Dictionary definitions for protiumprotium / (ˈprəʊtɪəm) / nounthe most common isotope of hydrogen, having a mass number of 1 Word Origin for protiumC20: New Latin, from proto- + -ium 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 protiumprotium [ prō′tē-əm, prō′shē- ] n.hydrogen-1 The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for protiumprotium [ prō′tē-əm, -shē-əm ] The most abundant isotope of hydrogen, having an atomic mass of 1. Its nucleus consists of a single proton. See more at hydrogen. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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