anticatalyst

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noun

Any substance that inhibits the activity of a catalyst.

Opposite
catalyst
Scrabble 17
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Meanings

nounanticatalyst (plural anticatalysts)

plural anticatalysts

  1. Any substance that inhibits the activity of a catalyst.

Synonyms & antonyms

noun(chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst

Opposite
catalyst
Broader
inhibitor

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From anti- + catalyst.

Full word history & related roots →

Translations

Portuguese anticatalisador
  • anticatalisadoranything that inhibits a catalyst
Cite this entry
APA

anticatalyst. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/anticatalyst

MLA

“anticatalyst.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/anticatalyst. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “anticatalyst,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/anticatalyst.

Source: anticatalyst on Wiktionary, CC BY-SA 4.0.