olefiant gas
noun
ole·fi·ant gas
¦ōlə¦fīənt-;
ōˈlēf|ēənt-,
ōˈlef|
archaic
: ethylene
Word History
Etymology
partial translation of French gaz oléfiant, from gaz gas + oléfiant, from olé- ole- + -fiant, present participle of -fier -fy