Dictionary.com
Thesaurus.com

vitamin B complex

American  

noun

  1. an important group of water-soluble vitamins containing vitamin B 1 , vitamin B 2 , etc.


vitamin B complex British  

noun

  1. Sometimes shortened to: B complex.  a large group of water-soluble vitamins occurring esp in liver and yeast: includes thiamine, riboflavin, nicotinic acid, pyridoxine, pantothenic acid, biotin, choline, folic acid, and cyanocobalamin

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

vitamin B complex Scientific  
  1. Any of a group of water-soluble vitamins important for normal cell growth and metabolism. The vitamins of the vitamin B complex include thiamine (vitamin B 1), riboflavin (vitamin B 2), pyridoxine (vitamin B 6), cobalamin (vitamin B 12), pantothenic acid, niacin, biotin, and folic acid.


Etymology

Origin of vitamin B complex

First recorded in 1925–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Rats whose diet was lacking in the vitamin B complex survived sleeping sickness better than better-fed rodents.

From Time Magazine Archive

By giving a 70-year-old woman vitamin B complex, Hauser claimed to have turned her white hair black.

From Time Magazine Archive

Egg white's avidin links up with biotin, part of the vitamin B complex essential for growth of both normal and cancerous tissues.

From Time Magazine Archive

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training