antivitamin

noun an·ti·vi·ta·min \ ˈan-ti-ˌvī-tə-mən , British usually -ˌvi- \

Definition of antivitamin

: a substance that makes a vitamin metabolically ineffective

First Known Use of antivitamin

1927

in the meaning defined above

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Medical Dictionary

antivitamin

noun an·ti·vi·ta·min \ ˈant-i-ˌvīt-ə-mən, ˈan-ˌtī-, British usually -ˌvit- \

medical Definition of antivitamin

: a substance that makes a vitamin metabolically ineffective

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