n.
Pronunciation: ' ka-t ə - ˌ l ā s, - ˌ l ā z
Function: noun
Etymology: catalysis
Date: 1901
: a red crystalline enzyme that consists of a protein complex with hematin groups and catalyzes the decomposition of hydrogen peroxide into water and oxygen
– cat · a · lat · ic \ ˌ ka-t ə - ' la-tik \ adjective