betaine
noun
be·ta·ine ˈbē-tə-ˌēn 
: a sweet crystalline quaternary ammonium salt C5H11NO2 obtained especially from sugar beets
also : its hydrate or its hydrochloride
Example Sentences
Recent Examples on the Web More betaine in breast milk was associated with more Akkerrmansia in the babies’ fecal samples at 12 months of age. 
Jennifer Couzin-frankel, Science | AAAS, 31 Mar. 2021 One stood out: betaine, which was linked to that unwanted growth when levels were low. Jennifer Couzin-frankel, Science | AAAS, 31 Mar. 2021 Follow with lukewarm water and a dime-size amount of cleanser (look for the ingredients cocamidopropyl betaine or caprylic triglyceride, which are sulfate-free surfactants) on your fingers or a clean, damp washcloth. Chelsea Hall, Marie Claire, 8 Apr. 2020 Follow with lukewarm water and a dime-size amount of cleanser (look for the ingredients cocamidopropyl betaine or caprylic triglyceride, which are sulfate-free surfactants) on your fingers or a clean, damp washcloth. Chelsea Hall, Marie Claire, 8 Apr. 2020 Follow with lukewarm water and a dime-size amount of cleanser (look for the ingredients cocamidopropyl betaine or caprylic triglyceride, which are sulfate-free surfactants) on your fingers or a clean, damp washcloth. Chelsea Hall, Marie Claire, 8 Apr. 2020 Follow with lukewarm water and a dime-size amount of cleanser (look for the ingredients cocamidopropyl betaine or caprylic triglyceride, which are sulfate-free surfactants) on your fingers or a clean, damp washcloth. Chelsea Hall, Marie Claire, 8 Apr. 2020 Types include salicylic acid and betaine salicylate. Nia Decaille, Washington Post, 7 Feb. 2020 Philip Kingsley Exfoliating Scalp Mask This mask contains betaine salicylate, a gentle chemical exfoliant that helps slough off dead skin cells and flakes. Rachel Charlene Lewis, SELF, 28 May 2018 See More
Jennifer Couzin-frankel, Science | AAAS, 31 Mar. 2021 One stood out: betaine, which was linked to that unwanted growth when levels were low. Jennifer Couzin-frankel, Science | AAAS, 31 Mar. 2021 Follow with lukewarm water and a dime-size amount of cleanser (look for the ingredients cocamidopropyl betaine or caprylic triglyceride, which are sulfate-free surfactants) on your fingers or a clean, damp washcloth. Chelsea Hall, Marie Claire, 8 Apr. 2020 Follow with lukewarm water and a dime-size amount of cleanser (look for the ingredients cocamidopropyl betaine or caprylic triglyceride, which are sulfate-free surfactants) on your fingers or a clean, damp washcloth. Chelsea Hall, Marie Claire, 8 Apr. 2020 Follow with lukewarm water and a dime-size amount of cleanser (look for the ingredients cocamidopropyl betaine or caprylic triglyceride, which are sulfate-free surfactants) on your fingers or a clean, damp washcloth. Chelsea Hall, Marie Claire, 8 Apr. 2020 Follow with lukewarm water and a dime-size amount of cleanser (look for the ingredients cocamidopropyl betaine or caprylic triglyceride, which are sulfate-free surfactants) on your fingers or a clean, damp washcloth. Chelsea Hall, Marie Claire, 8 Apr. 2020 Types include salicylic acid and betaine salicylate. Nia Decaille, Washington Post, 7 Feb. 2020 Philip Kingsley Exfoliating Scalp Mask This mask contains betaine salicylate, a gentle chemical exfoliant that helps slough off dead skin cells and flakes. Rachel Charlene Lewis, SELF, 28 May 2018 See More Word History
Etymology
International Scientific Vocabulary, from Latin beta beet
First Known Use
1870, in the meaning defined above
Medical Definition
betaine
noun
be·ta·ine ˈbēt-ə-ˌēn
: a sweet crystalline quaternary ammonium salt C5H11NO2 that was first isolated in beet juice and is used to treat homocystinuria and is also used in the form of its hydrochloride C5H11NO2·HCl as a source of hydrochloric acid especially to treat hypochlorhydria