olefine or olefin (ˈəʊlɪˌfiːn, -fɪn, ˈɒl-, ˈəʊlɪˌfiːn, -fɪn, ˈɒl-) ![]() | |
| —n | |
| other names for alkene | |
| [C19: from French oléfiant, ultimately from Latin oleum oil + facere to make] | |
| olefin or olefin | |
| —n | |
| [C19: from French oléfiant, ultimately from Latin oleum oil + facere to make] | |
| ole'finic or olefin | |
| —adj | |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
olefine or olefin (ˈəʊlɪˌfiːn, -fɪn, ˈɒl-, ˈəʊlɪˌfiːn, -fɪn, ˈɒl-) ![]() | |
| —n | |
| other names for alkene | |
| [C19: from French oléfiant, ultimately from Latin oleum oil + facere to make] | |
| olefin or olefin | |
| —n | |
| [C19: from French oléfiant, ultimately from Latin oleum oil + facere to make] | |
| ole'finic or olefin | |
| —adj | |
olefin o·le·fin (ō'lə-fĭn)
n.
Any of a group of unsaturated open chain hydrocarbons possessing one or more double bonds, the simplest of which is ethylene.
| olefin (ō'lə-fĭn) Pronunciation Key
See alkene. |