pyrazole

[ pir-uh-zohl, -zawl ]

nounChemistry.

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 pyrazole

First recorded in 1885–90; pyr- + azole

Words Nearby pyrazole

pyranose
pyranoside
pyrargyrite
pyrazinamide
pyrazine
pyrazole
pyrazoline
pyrazolone
pyrazolone dye
pyre
pyrene

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for pyrazole

pyrazole

/ (ˈpaɪrəˌzəʊl) /

noun

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

Origin of pyrazole

C19: 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

Browse