# alkylation

> English word · Noun · frequency rank #90,125

## Definitions
1. Any reaction in which an alkyl group is added to a molecule; used in the production of high-octane petroleum fuels.

## Etymology
From alkyl + -ation.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/alkylation