[al-kuh-ley-shuh
n] 
| 1. | the replacement of a hydrogen atom in an organic compound by an alkyl group. |
| 2. | the addition of a paraffin to an olefin, done in the manufacture of gasoline. |
| al·kyl·a·tion (āl'kə-lā'shən) n. A process in which an alkyl group is added to or substituted in a compound, as in the reaction of alkenes with alkanes to make high-octane fuels. |
alkylation al·kyl·a·tion (āl'kə-lā'shən)
n.
A process in which one or more alkyl groups are substituted for hydrogen atoms in an organic compound.