/pir"euh zohl', -zawl'/ , n. Chem.
1. any of the group of heterocyclic compounds containing three carbon atoms, two adjacent nitrogen atoms, and two double bonds in the ring.
2. the parent compound, C 3 H 4 N 2 .
[ 1885-90; PYR- + AZOLE ]
/pir"euh zohl', -zawl'/ , n. Chem.
1. any of the group of heterocyclic compounds containing three carbon atoms, two adjacent nitrogen atoms, and two double bonds in the ring.
2. the parent compound, C 3 H 4 N 2 .
[ 1885-90; PYR- + AZOLE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012