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Antonyms for catalyst


Grammar : Noun
Spell : kat-l-ist
Phonetic Transcription : ˈkæt l ɪst



Definition of catalyst

Origin :
  • "substance which speeds a chemical reaction but itself remains unchanged," 1902, formed in English (on analogy of analyst) from catalysis. Figurative use by 1943.
  • noun something which incites activity
Example sentences :
  • You'll be pleasantly surprised at how this approach will act as a catalyst.
  • Extract from : « A Practical Guide to Self-Hypnosis » by Melvin Powers
  • I come back soon and gif you the catalyst for that last reaction.
  • Extract from : « Beyond the Vanishing Point » by Raymond King Cummings
  • You do not know where we secure the catalyst your people seek.
  • Extract from : « The Colors of Space » by Marion Zimmer Bradley
  • A catalyst failed briefly in its task, then resumed, but the damage had been done.
  • Extract from : « The Short Life » by Francis Donovan
  • This simple act may have been the catalyst which gave Burl the solution to the problem.
  • Extract from : « The Forgotten Planet » by Murray Leinster
  • I have some scientific knowledge myself about the powers of this catalyst.
  • Extract from : « Brigands of the Moon » by Ray Cummings
  • We may, then, compare the catalyst to what is known as "a good mixer" in society.
  • Extract from : « Creative Chemistry » by Edwin E. Slosson
  • For that reason the catalyst is referred to as "a chemical parson."
  • Extract from : « Creative Chemistry » by Edwin E. Slosson
  • Ambition is the catalyst that lifts a man above his fellows and then lifts them also.
  • Extract from : « The Fourth R » by George Oliver Smith
  • There may be a catalyst here in this area which works in conjunction with your thought-processes and not mine.
  • Extract from : « The Alternate Plan » by Gerry Maddren

Synonyms for catalyst

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019