Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

To modify, especially to increase, the rate of (a chemical reaction) by a particular means; Also: To bring about; Initiate; Also: To produce fundamental change in; transform

Usage examples (39)
  • November 21st, 2006 at 1: 03 am bFast, the claim that proteins change the poise of equilibria of chemical reactions they catalyze is wrong.
  • These are the public goods that catalyze private development.
  • Now, there are certain things, however, that now catalyze this work.
  • The rumination and distress catalyze the growth process, Dr. Kilmer says. for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.