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catalysis.

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

9 characters4 syllables approx.English language

Meaning & usage

noun/kəˈtæləsɪs/
  1. The increase of the rate of a chemical reaction, induced by a catalyst.

    countable · uncountable
Where this word comes from

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

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.