Synonyms
Antonyms
Etymology

1. catalyst

noun. ['ˈkætəˌlɪst'] (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.

Synonyms

  • accelerator
  • platinum black
  • activator
  • enzyme

Antonyms

  • anticatalyst
  • substance

Etymology

  • -ist (English)
  • catalysis (English)
  • κατάλυσις (Ancient Greek (to 1453))

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Words that Rhyme with Catalyst

  • philatelist

Example sentences of the word catalyst


1. Noun, singular or mass
Photosystem II is the primary known enzyme that acts as catalyst in this oxidation of water.

2. Adjective
Enzymes are catalyst compounds, which help to initiate or speed up normal reactions that occur in the body.

Quotes containing the word catalyst


1. I think of myself as a catalyst of action and a messenger of hope, turning people onto themselves and turning people onto their dreams.
- Les Brown

2. Painful as it may be, a significant emotional event can be the catalyst for choosing a direction that serves us - and those around us - more effectively. Look for the learning.
- Louisa May Alcott

3. It is our failure to become our perceived ideal that ultimately defines us and makes us unique. It's not easy, but if you accept your misfortune and handle it right your perceived failure can become a catalyst for profound re-invention.
- Conan O'Brien

2. catalyst

noun. ['ˈkætəˌlɪst'] something that causes an important event to happen.

Synonyms

  • cause
  • causal agency

Antonyms

  • antioxidant
  • moderator
  • angiotensin II inhibitor

Etymology

  • -ist (English)
  • catalysis (English)
  • κατάλυσις (Ancient Greek (to 1453))
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