-ˌlēn, -_lə̇n noun
( -s )
Etymology: International Scientific Vocabulary morphol- (International Scientific Vocabulary morphine + -ol ) + -ine; from a former belief that its molecular structure was similar to that of morphine
: an oily cyclic secondary amine O(CH 2 CH 2 ) 2 NH made from ethylene oxide and ammonia and used chiefly as a solvent and emulsifying agent; tetrahydro-1,4-oxazine