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antivitamin

American  
[an-tee-vahy-tuh-min, an-tahy-, -vit-uh-min] / ˌæn tiˈvaɪ tə mɪn, ˌæn taɪ-, -ˈvɪt ə mɪn /

noun

Biochemistry.

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

Etymology

Origin of antivitamin

First recorded in 1925–30; anti- + vitamin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.