pyrazole

American

[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, C 3 H 4 N 2 .

pyrazole British

/ ˈpaɪrəˌzəʊl /

noun

a crystalline soluble basic heterocyclic compound; 1,2-diazole. Formula: C 3 H 4 N 2

"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

Etymology

Origin of pyrazole

First recorded in 1885–90; pyr- + azole

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023