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The Collaborative International Dictionary

Decyl \De"cyl\, n. [L. decem ten + -yl.] (Chem.) A hydrocarbon radical, C10H21., never existing alone, but regarded as the characteristic constituent of a number of compounds of the paraffin series.


n. (context organic chemistry English) Either of very many isomeric univalent hydrocarbon radicals, C10H21, formally derived from decane by the loss of a hydrogen atom