PYRAZOLINE

/pi raz"euh leen', -lin, puy-/ , n. Chem.

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 .

[ 1885-90; PYRAZOLE + -INE 2 ]