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alkylenes definition

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1. An old term, which is not recommended, for alkenes, especially those of low molecular weight .

2. An old term for alkanediyl groups commonly but not necessarily having the free valencies on adjacent carbon atoms. E.g. -CH(CH3)CH2- propylene (systematically called propane-1,2-diyl).

See also:

air atmosphere definition
Adhesive Forces definition
Alkenes (Olefins) definition
aliphatic compounds definition
alluvial definition