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alkylene
noun
al·kyl·ene
\ˈalkəˌlēn\
Definition of alkylene
-s
1 : a bivalent saturated aliphatic radical (such as ethylene) regarded as derived from an alkene by opening of the double bond or from an alkane by removal of two hydrogen atoms from different carbon atoms
2 : alkene
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Origin and Etymology of alkylene
International Scientific Vocabulary alkyl + -ene
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