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olefine
/ ˈɒl-; ˈəʊlɪˌfiːn; -fɪn /
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Derived Forms
- ˌDZˈھԾ, adjective
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Word History and Origins
Origin of olefine1
C19: from French DZéھԳ, ultimately from Latin oleum oil + facere to make
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Example Sentences
Examples have not been reviewed.
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.
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The esters of the higher fatty acids, when distilled under atmospheric pressure, are decomposed, and yield an olefine and a fatty acid.
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Others of the olefines are present in minute quantities.
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The temperature must be above 18�; and the absorption is prevented by ammonia, olefines, alcohol, and some other substances.
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