olefine

== English == === Etymology === From olefiant. === Noun === olefine (countable and uncountable, plural olefines) (chemistry) olefiant gas, or ethylene (chemistry, by extension) any of the series of unsaturated hydrocarbons of which ethylene is a type == Italian == === Noun === olefine f plural of olefina === Anagrams === enofile, nefelio