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vitamin B

noun

  1. any of the vitamins in the vitamin B complex
“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

  1. Vitamin B complex.
  2. A member of the vitamin B complex, especially thiamine (vitamin B 1 ).

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