olefine

/ ˈɒl-; ˈəʊlɪˌfiːn; -fɪn /

noun

1. other names for alkene

Derived Forms

• ˌoleˈfinic, adjective

Word History and Origins

Origin of olefine¹

C19: from French oléfiant, ultimately from Latin oleum oil + facere to make

Example Sentences

The olefines—ethylene, &c.—are generally absorbed by a very strong sulphuric acid prepared by adding sulphur trioxide to sulphuric acid to form a mixture which solidifies when slightly cooled.

From Project Gutenberg

The esters of the higher fatty acids, when distilled under atmospheric pressure, are decomposed, and yield an olefine and a fatty acid.

From Project Gutenberg

Others of the olefines are present in minute quantities.

From Project Gutenberg

The temperature must be above 18�; and the absorption is prevented by ammonia, olefines, alcohol, and some other substances.

From Project Gutenberg