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


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

Learn More about antivitamin


Seen and Heard

What made you want to look up antivitamin? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

without deliberation, pause, or delay

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats-on-impossible-timber
  • The magician ______ moved the selected card to the top of the deck.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!