Olefiant
Olefiant , adjective
[French oléfiant, fromL. oleum oil + -ficare (in comp.). Compare -Fy.]
(Chemistry) Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene (olefiant gas). [Archaic]
Olefiant , adjective
[French oléfiant, fromL. oleum oil + -ficare (in comp.). Compare -Fy.]