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The Collaborative International Dictionary
ethene

Ethylene \Eth"yl*ene\ ([e^]th"[i^]l*[=e]n), n. [From Ethyl.] (Chem.) 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 of unsaturated hydrocarbons of which ethylene is the type, and represented by the general formula CnH2n.

Wiktionary
ethene

n. (context organic compound English) The official IUPAC name for the organic chemical compound ethylene. The simplest alkene, a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C2H4.

WordNet
ethene

n. a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic [syn: ethylene]

Usage examples of "ethene".

From the air, the Ethene community shows more of a grid system, with its lanes converging in a fan toward the temple on the hillside south of everything else.

Apollonite community was circular, and the Ethene a fan-shaped grid, the Taurist is rectangular, with black buildings, black-paved roads, and a central black square, in the center of which burns a strange black flame.

Apollo, which fades into the white marble of the Ethene temple, which fades into an aerial shot of the black flame in the black square of the Taurist community, and then to the closed and hammer-barred front view of the Thoradian mission under sullen clouds.

Apollonite community, and then through a similar routine in the Ethene community.

Martel swallows, waiting for the transition from the light of the Ethenes to the aerial shots of the Thoradian mission.