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: 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
According to the 2015-2020 USDA dietary guidelines for Americans, people are not consuming enough choline, magnesium, calcium, and vitamins A, D, E, and C.
—Anne Cook Carroll, Verywell Health, 15 May 2024
For example, lactating women need more iodine and choline to support their baby's growth and development.
—Lainey Younkin, Ms, Rd, Parents, 15 May 2024
Their multivitamin offers a base of key vitamins A, C, D3, E, B6, B12, and K, and choline, calcium, magnesium, and potassium.
—Anne Cook Carroll, Verywell Health, 15 May 2024
Their multivitamin offers a base of key vitamins A, C, D3, E, K, B6, and B12, as well as minerals magnesium, potassium, choline, and calcium.
—Sarah Anzlovar, Ms, Verywell Health, 23 Apr. 2024
Eggs are also a source of vitamin D and choline, a nutrient that plays a role in metabolism, memory and muscle control.
—Katie Mogg, NBC News, 14 Apr. 2024
In addition to omega-3s, this supplement contains choline—another key nutrient for brain health, per the American Academy of Pediatrics.
—Isabel Vasquez, Rd, Ldn, Parents, 4 Apr. 2024
Choline Chloride is a concentrated form of choline that is very effective at raising choline levels in the body.
—Casey Seiden, Parents, 15 Mar. 2024
Eggs are also a healthy source of Vitamin A and D, iron, choline and other nutrients.
—Clare Mulroy, USA TODAY, 7 Jan. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'choline.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
International Scientific Vocabulary
First Known Use
circa 1871, in the meaning defined above
Dictionary Entries Near choline
Cite this Entry
“Choline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/choline. Accessed 14 Jun. 2024.
Kids Definition
choline
noun
cho·line
ˈkō-ˌlēn
: a vitamin of the vitamin B complex that is widely distributed in animal and plant products (as eggs and beans) and is necessary for the activities of the liver
Medical Definition
choline
noun
cho·line
ˈkō-ˌlēn
: 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
More from Merriam-Webster on choline
Britannica.com: Encyclopedia article about choline
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