antivitamin

[ an-tee-vahy-tuh-min, an-tahy-or, British, -vit-uh-min ]

noun

, Biochemistry.

1. any substance that interferes with the action of a vitamin.

Word History and Origins

Origin of antivitamin¹

First recorded in 1925–30; anti- + vitamin

Example Sentences

He was intrigued by the action of an antivitamin substance that apparently starved cancer cells, and so impressed was the American Association for the Advancement of Science that Laurence was asked to rewrite his Times story�in suitably abstruse prose�for the association's journal.

From Time Magazine Archive