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vitamin B1

American  

noun

  1. thiamine.


vitamin B1 British  

noun

  1. another name for thiamine

"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 B1 Scientific  
  1. See thiamine


Etymology

Origin of vitamin B1

First recorded in 1920–25

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:

Chemists have achieved what many once considered impossible by stabilizing an extremely reactive molecule in water, confirming a 67-year-old theory about vitamin B1.

From Science Daily Apr. 11, 2026

Lavallo is referring to Ronald Breslow, a Columbia University chemist who proposed in 1958 that vitamin B1 could transform into a carbene to enable key biochemical reactions.

From Science Daily Apr. 11, 2026

The most notable discovery emerged when researchers focused on two high-priority genes connected to vitamin B1 biology.

From Science Daily Jan. 22, 2026

The disease, which is caused by a deficiency of vitamin B1, also known as thiamine, is preventable and reversible.

From Los Angeles Times Nov. 7, 2023

Thus, cocarboxylase A, which takes part in the separation of carbon dioxide from an intermediate fermentation product, is the phosphate of vitamin B1.

From History of Phosphorus by Farber, Eduard

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