antivitamin

noun
an·​ti·​vi·​ta·​min | \ ˈan-ti-ˌvī-tə-mən How to pronounce antivitamin (audio) , 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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More Definitions for antivitamin

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