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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The fragments absorbed amino acids, which naturally occur in the sea cucumber’s habitat, without the need for a mouth or gut.
—
Jacopo Prisco, CNN Money, 28 May 2026
Critical biochemical variables such as amino acids, glucose, lactate and ammonia are often measured as snapshots of the process dynamics, outside the process environment, introducing delays that make real-time decision-making nearly impossible.
—Hamid Noori, Forbes.com, 28 May 2026
Creatine is a natural compound that the body makes from amino acids.
—Lindsay Curtis, Verywell Health, 27 May 2026
Exosomes, peptides, plant stem cells, amino acids… this one is a delivery vehicle for thicker hair, stronger shafts, healthier shine, and a balanced scalp.
—Justin Fenner, Robb Report, 22 May 2026
See All Example Sentences for amino acid
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Jacopo Prisco, CNN Money, 28 May 2026
Critical biochemical variables such as amino acids, glucose, lactate and ammonia are often measured as snapshots of the process dynamics, outside the process environment, introducing delays that make real-time decision-making nearly impossible.
—Hamid Noori, Forbes.com, 28 May 2026
Creatine is a natural compound that the body makes from amino acids.
—Lindsay Curtis, Verywell Health, 27 May 2026
Exosomes, peptides, plant stem cells, amino acids… this one is a delivery vehicle for thicker hair, stronger shafts, healthier shine, and a balanced scalp.
—Justin Fenner, Robb Report, 22 May 2026
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 5 Jun. 2026.
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