| 单词 | substituent |
| 释义 | substituent[ suhb-stich-oo-uhnt ] / sʌbˈstɪtʃ u ənt / nounChemistry. an atom or atomic group that takes the place of another atom or group present in the molecule of the original compound. adjectivehaving been or capable of being substituted. Origin of substituent1890–95; <Latin substituent- (stem of substituēns), present participle of substituere to substitute, equivalent to sub-sub- + -stitu-, combining form of statuere to set up, erect (see statue) + -ent--ent Words nearby substituentsubstantive rank, substantive right, substantivize, substation, substernal goiter, substituent, substitute, substitution, substitution cipher, substitution product, substitution reaction Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for substituent
British Dictionary definitions for substituentsubstituent / (sʌbˈstɪtjʊənt) / nounchem an atom or group that replaces another atom or group in a molecule or can be regarded as replacing an atom in a parent compound adjectivesubstituted or substitutable Word Origin for substituentC19: from Latin substituere to substitute 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 |
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