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ethylene 音标拼音: ['ɛθəl,in]

n. 乙烯

乙烯

WordNet (r) 3.0 (2006) (WordNet)

ethylene
n 1: a flammable colorless gaseous alkene; obtained from
petroleum and natural gas and used in manufacturing many
other chemicals; sometimes used as an anesthetic [synonym:
{ethylene}, {ethene}]

The Collaborative International Dictionary of English v.0.48 (gcide)

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}.
[1913 Webster]

{Ethylene series} (Chem.), the series of unsaturated
hydrocarbons of which ethylene is the type, and
represented by the general formula {CnH2n}.
[1913 Webster]

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