thiamine

[ thahy-uh-min, -meen ]

/ ˈθaɪ ə mɪn, -ˌmin /

Save This Word!

noun Biochemistry.

a white, crystalline, water-soluble compound of the vitamin-B complex, containing a thiazole and a pyrimidine group, C12H17ClN4OS, essential for normal functioning of the nervous system, a deficiency of which results chiefly in beriberi and other nerve disorders: occurring in many natural sources, as green peas, liver, and especially the seed coats of cereal grains, the commercial product of which is chiefly synthesized in the form of its chloride salt (thiamine hydrochloride ) for therapeutic administration, or in nitrate form (thiamine mononitrate ) for enriching flour mixes.

QUIZ

QUIZ YOURSELF ON "WAS" VS. "WERE"!

Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.

Question 1 of 7

“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

true

false

TAKE THE QUIZ TO FIND OUT

Also thi·a·min

[thahy-uh-min]. /ˈθaɪ ə mɪn/.

Also called vitamin B1, aneurin, an·eu·rine.

Origin of thiamine

First recorded in 1905–10; thi- + amine

Words nearby thiamine

they've, THG, thi-, thiabendazole, thiacetic acid, thiamine, thiamine mononitrate, thiazide, thiazine, thiazole, thiazolidinedione

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use thiamine in a sentence

Like a hard drive that keeps a computer running, this network helps the body synthesize and process key nutrients like thiamine, a B vitamin made by intestinal bacteria that fuels brain function.
How Grief Upsets Your Gut Health|Juli Fraga|July 1, 2022|Time

British Dictionary definitions for thiamine

thiamine

thiamin (ˈθaɪəmɪn)

/ (ˈθaɪəˌmiːn, -mɪn) /

noun

biochem a soluble white crystalline vitamin that occurs in the outer coat of rice and other grains. It forms part of the vitamin B complex and is essential for carbohydrate metabolism: deficiency leads to nervous disorders and to the disease beriberi. Formula: C 12 H 17 ON 4 SCl.H 2 OAlso: vitamin B 1, aneurin

Word Origin for thiamine

C20: thio- + (vit) amin

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

Medical definitions for thiamine

thiamine

[ thī′ə-mĭn, -mēn′ ]

A vitamin of the vitamin B complex, found in meat, yeast, and the bran coat of grains, and necessary for carbohydrate metabolism and normal neural activity.vitamin B1

Scientific definitions for thiamine

thiamine

[ thī′ə-mĭn ]

A water-soluble pyrimidine derivative belonging to the vitamin B complex that is important in carbohydrate metabolism and normal activity of the nervous system. It is found in pork, organ meats, whole grain cereals, legumes, and nuts. Deficiency of thiamine in the diet results in beriberi. Also called vitamin B1. Chemical formula: C12H17ClN4OS.