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pyrazoline

 - 2 dictionary results

py⋅raz⋅o⋅line

[pi-raz-uh-leen, -lin, pahy-]
–noun Chemistry.
1. any of the group of heterocyclic compounds containing three carbon atoms, two adjacent nitrogen atoms, and one double bond in the ring.
2. the parent compound, C3H6N2.

Origin:
1885–90; pyrazole + -ine 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: py·raz·o·line
Pronunciation: pi-'raz-&-"lEn
Function: noun
1 : a dihydro derivativeC3H6N2 of pyrazole
2 : any of various derivatives of pyrazoline
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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