Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR CATALYSTS

Incidentally, colloidal preparations are widely used as catalysts.

Hurt would come to Barbara as it came to everyone, but hurt, work and struggling were some of the catalysts that fused a marriage.

Enzymes conform to all of these properties of catalysts, and are commonly defined as the "catalysts of living matter."

WORD ORIGIN

"substance which speeds a chemical reaction but itself remains unchanged," 1902, formed in English (on analogy of analyst) from catalysis. Figurative use by 1943.

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.