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catalyst

/ˈkæt.ə.lɪst/noun3 syllables

Catalyst means: (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.

Synonyms for catalyst4

noun, as in (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

also used for catalyst

stimulus, straw that stirs the drink, solicitor

Includes material from Wiktionary, CC BY-SA 4.0.

Opposites of catalyst

anticatalyst

What does catalyst mean?2

noun

1

(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

2

something that causes an important event to happen“the invasion acted as a catalyst to unite the country”

Definitions from the Open English WordNet, CC BY 4.0.

Catalyst in a sentence

  • It would be difficult to improve the device without an effective catalyst.secokit
  • An enzyme is a protein that functions as a catalyst for a chemical reaction.LinaTamazight
  • The devastating loss became the catalyst for personal growth.Nuel
  • The catalyst system efficiency is below the threshold.Khaled99x
  • Catalysts can speed up a chemical reaction without being consumed in the catalyzed reaction.Hybrid
  • Catalysts make chemical reactions possible at low temperatures.CM
  • First, I'd like to examine the catalyst used in this experiment.cathrynm

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

Forms of catalyst

as a noun

plural
catalysts