ami·​no | \ ə-ˈmē-(ˌ)nō How to pronounce amino (audio) \

Definition of amino

: relating to, being, or containing an amine group often used in combination

Examples of amino in a Sentence

Recent Examples on the Web The hormone cortisol is released which breaks down muscle into proteins that are further broken down into amino acids. Bryant Stamford, The Courier-Journal, 16 June 2022 Lam-Phaure's personal favorites include Drunk Elephant's Beste No. 9 Jelly Cleanser and Augustinus Bader's The Cream Cleansing Gel, which touts amino acids to promote wound healing. Fiona Embleton, Allure, 14 June 2022 In effect, the mutations that didn't change any amino acids were, on average, indistinguishable from the ones that did. John Timmer, Ars Technica, 11 June 2022 Samples from the asteroid Ryugu contained amino acids that are considered the precursors of life, a paper published Friday said, supporting a theory that solar-system rocks crashing into Earth helped jump-start primordial life-forms. Peter Landers, WSJ, 10 June 2022 Proteins are long strings of amino acids that form the building blocks of most biological processes. Jeremy Kahn, Fortune, 9 June 2022 This technology contains 30 years of skincare research and is made of amino acids, vitamins, and molecules found on the skin. The Salt Lake Tribune, 8 June 2022 In fact, this protein only shares five amino acids with C7L. William A. Haseltine, Forbes, 6 June 2022 These bad boys are amino acids that build the protein structures your skin needs! Grooming Playbook, The Salt Lake Tribune, 24 May 2022 See More

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

First Known Use of amino

circa 1895, in the meaning defined above

History and Etymology for amino

International Scientific Vocabulary amine + -o-

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Time Traveler for amino

Time Traveler

The first known use of amino was circa 1895

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Dictionary Entries Near amino



amino acid

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Statistics for amino

Last Updated

26 Jun 2022

Cite this Entry

“Amino.” Dictionary, Merriam-Webster, Accessed 3 Jul. 2022.

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More Definitions for amino


ami·​no | \ ə-ˈmē-(ˌ)nō How to pronounce amino (audio) \

Medical Definition of amino

: relating to, being, or containing an amine group often used in combination

More from Merriam-Webster on amino

Britannica English: Translation of amino for Arabic Speakers


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