# catalysis

> English word · Noun · IPA /kəˈtæləsɪs/ · frequency rank #42,052

## Definitions
1. The increase of the rate of a chemical reaction, induced by a catalyst.

## Etymology
From Ancient Greek κατάλυσις (katálusis, “dissolution”), from καταλύω (katalúō, “I dissolve”), from κατά (katá, “down”) + λύω (lúō, “I loose”). By surface analysis, cata- + -lysis.

## Easily confused with
- **catalyst** (https://plainspell.com/en/vs/catalysis-vs-catalyst)
- **catalytic** (https://plainspell.com/en/vs/catalysis-vs-catalytic)

## Common misspellings (14)
`actalysis`, `caatlysis`, `catallysis`, `catalsyis`, `catalyiss`, `catalysiss`, `catalyssi`, `catalyssis`, `catalyysis`, `cataylsis`, `catlaysis`, `cattalysis`, `ccatalysis`, `ctaalysis`

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