Main Entry: cat·a·lyze

Variant(s): or British cat·a·lyse \ˈkat-^əl-ˌīz\

Function: transitive verb

Inflected Form(s): cat·a·lyzed or British cat·a·lysed; cat·a·lyz·ing or British cat·a·lys·ing

: to bring about the catalysis of (a chemical reaction)

—cat·a·lyz·er or British cat·a·lys·er noun