Antonyms of noun anticatalyst

1 sense of anticatalyst

Sense 1
anticatalyst -- ((chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst)
       Antonym of catalyst (Sense 1)
      => catalyst, accelerator -- ((chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun anticatalyst

1 sense of anticatalyst

Sense 1
anticatalyst -- ((chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst)
       => inhibitor -- (a substance that retards or stops an activity)