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
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Sure, those amino acids will travel around your body and do their thing (repairing tissue), but there’s currently no scientific evidence proving that ingesting collagen has any direct positive impact on the skin specifically.
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Alexis Benveniste, Allure, 7 Apr. 2025
Most places in the body where tumors originate are replete with nutrients: fats, amino acids, oxygen, metals—all the foodstuffs a rapidly growing cell needs.
—Amber Dance, Smithsonian Magazine, 4 Apr. 2025
Even on a volatile Earth billions of years ago, lightning may have been too infrequent to produce amino acids in quantities sufficient for life — a fact that has cast doubt on such theories in the past, Zare said.
—Mindy Weisberger, CNN Money, 28 Mar. 2025
Collagen and Hair Growth The body naturally produces collagen by using amino acids from collagen-rich or protein-rich foods.
—Heather Jones, Verywell Health, 19 Mar. 2025
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Alexis Benveniste, Allure, 7 Apr. 2025
Most places in the body where tumors originate are replete with nutrients: fats, amino acids, oxygen, metals—all the foodstuffs a rapidly growing cell needs.
—Amber Dance, Smithsonian Magazine, 4 Apr. 2025
Even on a volatile Earth billions of years ago, lightning may have been too infrequent to produce amino acids in quantities sufficient for life — a fact that has cast doubt on such theories in the past, Zare said.
—Mindy Weisberger, CNN Money, 28 Mar. 2025
Collagen and Hair Growth The body naturally produces collagen by using amino acids from collagen-rich or protein-rich foods.
—Heather Jones, Verywell Health, 19 Mar. 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 12 Apr. 2025.
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