vitamin

noun
vi·​ta·​min | \ˈvī-tə-mən, British usually ˈvi-\

Definition of vitamin 

: any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants, act especially as coenzymes and precursors of coenzymes in the regulation of metabolic processes but do not provide energy or serve as building units, and are present in natural foodstuffs or sometimes produced within the body

Examples of vitamin in a Sentence

This cereal contains essential vitamins and minerals. Did you remember to take your vitamin?

Recent Examples on the Web

Inflammation is not present in Type 2, but abnormal metabolic markers are, including insulin resistance and extremely low levels of certain vitamins and hormones. Linda Marsa, Discover Magazine, "A New Treatment for Alzheimer's? It Starts With Lifestyle," 16 Nov. 2018 Pumpkins and squash offer a good source of vitamins and minerals to the farm animals at Hooves and Feathers Humane Society, and straw bales provide warm shelter in the winter. Kelly O'sullivan, Country Living, "Your Leftover Pumpkins Can Help Feed Hungry Pigs," 29 Oct. 2018 Concerned Democrats offered to send her vitamins and medicine. Samantha Schmidt, The Seattle Times, "Ruth Bader Ginsburg says she has ‘at least 5 more years’ on the Supreme Court. Her fans rejoice.," 30 July 2018 The seed takes up about 80% of the berry, but the flesh and skin pack plenty of vitamins and other nutrients in the remaining 20%. Tehrene Firman, Good Housekeeping, "10 Things You Should Know About Açaí Berries, Nature's "Purple Gold"," 23 July 2018 Serums play an essential role in Ogunlesi’s skin-care routine, too, with SkinCeuticals vitamin-C laden CE Ferulic and ZO Medical’s Daily Power Defense both in regular rotation. Janelle Okwodu, Vogue, "For This Solange-Approved Designer, Moisturizer Is More Important Than Makeup," 1 Nov. 2018 The rest of the ingredients are fairly benign, just some plant extracts and vitamin E. Chloe Metzger, Marie Claire, "Amazon's Baebody Eye Gel Has 13,000 Rave Reviews," 10 Oct. 2018 Customers can also save 30 percent off Amazon-brand essentials, including baby products; beauty items; food and beverage; household essentials; lotion and sunscreen; and supplements and vitamins. Chris Sims, Indianapolis Star, "Amazon is already offering Prime Day deals before July 16," 5 July 2018 The company cultures cord-blood stem cells in nicotinamide, a form of vitamin B3, for three weeks before transplant. Ron Winslow, WSJ, "New Promise for Bone-Marrow Transplants," 28 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vitamin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of vitamin

circa 1912, in the meaning defined above

History and Etymology for vitamin

alteration of vitamine, from Latin vita life + English amine

Keep scrolling for more

Learn More about vitamin

Statistics for vitamin

Last Updated

5 Dec 2018

Look-up Popularity

Time Traveler for vitamin

The first known use of vitamin was circa 1912

See more words from the same year

Keep scrolling for more

More Definitions for vitamin

vitamin

noun

English Language Learners Definition of vitamin

: a natural substance that is usually found in foods and that helps your body to be healthy

: a pill containing vitamins

vitamin

noun
vi·​ta·​min | \ˈvī-tə-mən \

Kids Definition of vitamin

: any of a group of substances that are found naturally in many foods, are necessary in small quantities for good health and normal development and functioning, and are designated by a capital letter and sometimes a number vitamin B6 vitamin C

vitamin

noun
vi·​ta·​min | \ˈvīt-ə-mən, British also ˈvit- \

Medical Definition of vitamin 

: any of various organic substances that are essential in minute quantities to the nutrition of most animals and some plants, act especially as coenzymes and precursors of coenzymes in the regulation of metabolic processes but do not provide energy or serve as building units, and are present in natural foodstuffs or are sometimes produced within the body

Keep scrolling for more

More from Merriam-Webster on vitamin

Spanish Central: Translation of vitamin

Nglish: Translation of vitamin for Spanish Speakers

Britannica English: Translation of vitamin for Arabic Speakers

Britannica.com: Encyclopedia article about vitamin

Comments on vitamin

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

WORD OF THE DAY

to move with a clumsy heavy tread

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

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!