ethylenes
plural of ethylene
Source: Wiktionary
Eth"yl*ene, n. [From Ethyl.] (Chem.)
Definition: A colorless, gaseous hydrocarbon, C2H4, forming an important ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas. Called also ethene, elayl, and formerly, bicarbureted hydrogen. Ethylene series (Chem.), the series if unsaturated hydrocarbons of which ethylene is the type, and represented by the general formula CnH2n.
Source: Webster’s Unabridged Dictionary 1913 Edition
8 May 2024
(noun) the scientific study of the earth’s configuration above sea level (emphasizing the measurement of land altitudes relative to sea level)
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