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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

The increase in the rate of a chemical reaction caused by an agent. Also: an action between two or more persons or forces, initiated by an agent that itself remains unaffected by the action.

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Usage examples (36)
  • Susan B. Anthony's writings and speeches served as a powerful catalysis for the women's suffrage movement.
  • Of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced
  • Inevitably, therefore, I was compelled to the view that the nature of catalysis is not be sought in the inducement of
  • Even the term catalysis which, after being for long misunderstood, nay despised, is now back in favour, we owe to
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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, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.