olefin noun.
['ǝʊlɪfɪn] Also (now
rare) olefine
[-i:n].
M19.[from OLEFIANT + -IN1, -INE5.]Chemistry. =
ALKENE.
■ ole'finic adjective of the nature of or characteristic of an olefin; of an olefin;
spec. =
ETHYLENIC:
L19. [TahlilGaran] English Dictionary ▲