anticatalyst

[ an-tee-kat-l-ist, an-tahy- ]
/ ˌæn tiˈkæt l ɪst, ˌæn taɪ- /

noun Chemistry.

an inhibitor.

Origin of anticatalyst

First recorded in 1920–25; anti- + catalyst

British Dictionary definitions for anticatalyst

anticatalyst
/ (ˌæntɪˈkætəlɪst) /

noun

a substance that destroys or diminishes the activity of a catalyst
another name for inhibitor (def. 2)