Dictionary.com
Thesaurus.com
Showing results for choline. Search instead for echolike.

choline

American  
[koh-leen, kol-een] / ˈkoʊ lin, ˈkɒl in /

noun

  1. Biochemistry. a quaternary ammonium cation, C 5 H 14 N + O, one of the B-complex vitamins, found in the lecithin of many plants and animals.

  2. choline hydroxide, C 5 H 15 NO 2 , the viscous, strongly alkaline commercial form of this compound, usually synthesized, used as a feed supplement, especially for poultry, and in medicine in certain liver conditions.

  3. choline chloride, C 5 H 14 ClNO.

choline British  
/ ˈkəʊliːn, -ɪn, ˈkɒl- /

noun

  1. a colourless viscous soluble alkaline substance present in animal tissues, esp as a constituent of lecithin: used as a supplement to the diet of poultry and in medicine for preventing the accumulation of fat in the liver. Formula:[(CH 3 ) 3 NCH 2 CH 2 OH] + OH –

"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
choline Scientific  
/ kō′lēn′ /

  1. A natural amine often classed in the vitamin B complex. It is incorporated into the structure of many other biologically important molecules, such as acetylcholine and lecithin. Chemical formula: C 5 H 15 NO 2 .

Etymology

Origin of choline

First recorded in 1855–60; chol- + -ine 2

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.

The soft and flexible gel is made with water and a choline based liquid that is antibacterial, nontoxic, and biocompatible.

From Science Daily • Feb. 22, 2026

He cautioned that people should not attempt to manage anxiety by taking large amounts of choline supplements.

From Science Daily • Dec. 4, 2025

People living with anxiety disorders tend to have reduced amounts of choline in their brains, according to new findings from UC Davis Health.

From Science Daily • Dec. 4, 2025

Even though they expected to see lower choline levels, Maddock was still struck by the size and consistency of the difference.

From Science Daily • Dec. 4, 2025

According to Kobert the substance formed from choline on the decay of the mushrooms containing it is not muscarine, but a very closely related alkaloid, neurin.

From Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. by Atkinson, George Francis

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.