oxazine

[ ok-suh-zeen, -zin ]
/ ˈɒk səˌzin, -zɪn /

noun Chemistry.

any of a group of 13 compounds having the formula C4H5NO, the atoms of which are arranged in a six-membered ring.

Origin of oxazine

First recorded in 1895–1900; ox- + azine

British Dictionary definitions for oxazine

oxazine
/ (ˈɒksəˌziːn) /

noun

any of 13 heterocyclic compounds with the formula C 4 H 5 NO

Word Origin for oxazine

from oxy- ² + azine