antivitamin

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

Keep scrolling for more

Learn More about antivitamin

Time Traveler for antivitamin

Time Traveler

The first known use of antivitamin was in 1927

See more words from the same year

Statistics for antivitamin

Cite this Entry

“Antivitamin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antivitamin. Accessed 5 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

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

More from Merriam-Webster on antivitamin

Britannica.com: Encyclopedia article about antivitamin

Comments on antivitamin

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

WORD OF THE DAY

Test Your Vocabulary

Who Knew?

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!