amino acid
noun
: an amphoteric organic acid containing the amino group NH2
especially
: any of the various amino acids having the amino group in the alpha position that are the chief components of proteins and are synthesized by living cells or are obtained as essential components of the diet
Examples of amino acid in a Sentence
Recent Examples on the Web
Whey protein contains branched-chain amino acids, which are beneficial for muscle growth and recovery.
—
Lana Barhum, Verywell Health, 12 July 2025
In a lot of cases, frizziness is caused when the hair is lacking moisture, so this cream features a blend of keratin amino acids and rice protein to address issues of dryness from inside the strands.
—Danielle Jackson, Glamour, 9 July 2025
These amino acids may protect against the development of atherosclerosis, or the thickening or hardening of the arteries caused by a buildup of plaque.
—Jillian Kubala, Health, 8 July 2025
Protein rich, these trail MVPs provide all nine amino acids and are easy to throw in the top of any hiking pack.
—Kade Krichko, Outside Online, 4 July 2025
See All Example Sentences for amino acid
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Lana Barhum, Verywell Health, 12 July 2025
In a lot of cases, frizziness is caused when the hair is lacking moisture, so this cream features a blend of keratin amino acids and rice protein to address issues of dryness from inside the strands.
—Danielle Jackson, Glamour, 9 July 2025
These amino acids may protect against the development of atherosclerosis, or the thickening or hardening of the arteries caused by a buildup of plaque.
—Jillian Kubala, Health, 8 July 2025
Protein rich, these trail MVPs provide all nine amino acids and are easy to throw in the top of any hiking pack.
—Kade Krichko, Outside Online, 4 July 2025
See All Example Sentences for amino acid
Cite this Entry
“Amino acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amino%20acid. Accessed 18 Jul. 2025.
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