pyrazoline

pyrazoline

[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, C 3 H 6 N 2 .

Origin:
1885–90; pyrazole + -ine2

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