n.
Pronunciation: ' ō -l ə -f ə n
Function: noun
Etymology: International Scientific Vocabulary, from French ( gaz ) oléfiant ethylene, from Latin oleum
Date: 1860
1 : ALKENE
2 : a synthetic fiber (as polypropylene) derived from an alkene
– ole · fin · ic \ ˌ ō -l ə - ' fi-nik \ adjective