Meaning of OLEFIN in English

OLEFIN

noun Etymology: International Scientific Vocabulary, from French (gaz) oléfiant ethylene, from Latin oleum Date: 1860 alkene , a synthetic fiber (as polypropylene) derived from an alkene, ~ic adjective

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.