cho·​line | \ ˈkō-ˌlēn \

Definition of choline

: a basic compound C5H14NO that is found in various foods (such as egg yolks and legumes) or is synthesized in the liver, that is a component of lecithin and a precursor of acetylcholine, and that is essential to the metabolism of fat in the liver and is usually included in the vitamin B complex

Examples of choline in a Sentence

Recent Examples on the Web

Eggs are also a very good source of choline, an essential nutrient that protects against cognitive impairment and fatty liver. WSJ, "Are Eggs Bad for You? Two Scientists Square Off," 13 Sep. 2018 Americans typically don’t consume the daily required intake for choline, thus egg consumption would alleviate this problem. WSJ, "Are Eggs Bad for You? Two Scientists Square Off," 13 Sep. 2018 Plus, just two eggs a day fulfills half of your daily needs for the memory-boosting nutrient choline, which, per recent studies most Americans severely lack. Stephanie Eckelkamp, Good Housekeeping, "I Ate 3 Eggs Every Day for a Week — Here’s What I Learned," 13 July 2018 What nutrients are in chicken breast? Chicken breasts are a great source of the essential nutrient choline, providing 13% of your daily value in one serving. Amy Berkowitz, Good Housekeeping, "How to Get the Best Nutrition from Chicken Breasts," 6 Mar. 2018 Yolks also supply an excellent source of choline, a nutrient critical for brain and spinal cord development. Darlene Zimmerman, Detroit Free Press, "Eggs: What you need to know about size, color and type," 22 Apr. 2018 Egg yolks are also the most concentrated source of choline, an under-consumed, essential nutrient important to brain health. NBC News, "5 diet tips to forget and what to do instead," 15 May 2017 Vegetables are important sources of many nutrients, including dietary fiber, potassium, vitamin A, vitamin C, vitamin K, copper, magnesium, vitamin E, vitamin B6, folate, iron, manganese, thiamin, niacin and choline. NBC News, "How I learned to love (or at least tolerate) vegetables," 26 Mar. 2018 Most inventive beer: Dream Reamer, a Belgian gold strong made with ingredients full of naturally occurring Melatonin, B12 vitamins and choline. Bailey Loosemore, The Courier-Journal, "Everything you need to know about Ethereal Brewing, a craft brewery in Lexington," 4 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'choline.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of choline

circa 1871, in the meaning defined above

History and Etymology for choline

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The first known use of choline was circa 1871

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More Definitions for choline


cho·​line | \ ˈkō-ˌlēn \

Medical Definition of choline

: a basic compound C5H14NO that is found in various foods (as egg yolk and legumes) or is synthesized in the liver and that is a component of lecithin, is a precursor of acetylcholine, and is essential to liver function

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