| 单词 | pyrazole |
| 释义 | pyrazole[ pir-uh-zohl, -zawl ] / ˈpɪr əˌzoʊl, -ˌzɔl / noun Chemistry.any of the group of heterocyclic compounds containing three carbon atoms, two adjacent nitrogen atoms, and two double bonds in the ring. the parent compound, C3H4N2. Origin of pyrazoleFirst recorded in 1885–90; pyr- + azole Words nearby pyrazolepyranose, pyranoside, pyrargyrite, pyrazinamide, pyrazine, pyrazole, pyrazoline, pyrazolone, pyrazolone dye, pyre, pyrene Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for pyrazolepyrazole / (ˈpaɪrəˌzəʊl) / nouna crystalline soluble basic heterocyclic compound; 1,2-diazole. Formula: C 3 H 4 N 2 Word Origin for pyrazoleC19: from German, from pyrrole + inserted -az- (see azo-) 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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