vitamin B1
Americannoun
noun
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.
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
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.