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

Examples of amino in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Foods such as lean meats, eggs, nuts, seeds, and legumes are all excellent sources of amino acids. Amber Smith, Discover Magazine, 6 Feb. 2023 To improve the process, the researchers tested several amino chloride salts as alternative leaching agents. Neetika Walter, Interesting Engineering, 27 Apr. 2026 The 20 grams of protein come from soy protein isolate—a vegan protein containing all nine essential amino acids. Isabel Vasquez Rd Ldn, Health, 4 Feb. 2023 And protein sequences, just like natural languages, store structure and function in their amino-acid sequence with extreme efficiency. IEEE Spectrum, 14 Mar. 2023 See All Example Sentences for amino

Word History

Etymology

International Scientific Vocabulary amine + -o-

First Known Use

circa 1895, in the meaning defined above

Time Traveler
The first known use of amino was circa 1895

Browse Nearby Words

Cite this Entry

“Amino.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amino. Accessed 7 Jul. 2026.

Medical Definition

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