alkylation

[ al-kuh-ley-shuh n ]
/ ˌæl kəˈleɪ ʃən /

noun Chemistry.

the replacement of a hydrogen atom in an organic compound by an alkyl group.
the addition of a paraffin to an olefin, done in the manufacture of gasoline.

Origin of alkylation

First recorded in 1895–1900; alkyl + -ation

British Dictionary definitions for alkylation

alkylation
/ (ˌælkɪˈleɪʃən) /

noun

the attachment of an alkyl group to an organic compound, usually by the addition or substitution of a hydrogen atom or halide group
the addition of an alkane hydrocarbon to an alkene in producing high-octane fuels

Medical definitions for alkylation

alkylation
[ ăl′kə-lāshən ]

n.

A process in which one or more alkyl groups are substituted for hydrogen atoms in an organic compound.