Word.ws English Dictionary

catalyse

catalyse is the alternative spelling of catalyze.

Meaning of catalyze

Verb

catalyze (third-person singular simple present catalyzes, present participle catalyzing, simple past and past participle catalyzed)

  1. (transitive) To bring about the catalysis of a chemical reaction.
  2. (transitive) To accelerate a process.
  3. (transitive) To inspire significantly by catalysis.

Forms of catalyse

third-person singular presentcatalyses
present participlecatalysing
past participlecatalysed
pastcatalysed

Words formed from catalyse

Questions about catalyse

What is catalyse the alternative spelling of?
Catalyse is the alternative spelling of catalyze.

Words near catalyse in the dictionary

  1. catalysates
  2. catalysation
  3. catalysations
  4. catalysator
  5. catalysators
  6. catalyse
  7. catalysed
  8. catalyser
  9. catalysers
  10. catalyses
  11. catalysing

Source and license

Adapted from Wiktionary: catalyse (page history and authors); catalyze (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-catalyse.wav.

Cite this entry: “catalyse.” Word.ws, https://word.ws/catalyse. Based on Wiktionary, CC BY-SA 4.0.