- plural of amino acid.
amino acids
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Amino acids are the basic molecular building blocks of proteins.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The dean of the USC Leonard Davis School of Gerontology was very familiar with this particular short chain of amino acids.
From Los Angeles Times ● Aug. 6, 2026
MOTS-C: People use this peptide, which is composed of 16 amino acids, to lose weight and better manage weight-related concerns like insulin resistance, osteoporosis and metabolism.
From MarketWatch ● Jul. 23, 2026
Peptides are short chains of amino acids, which are the building blocks of proteins.
From Barron's ● Jul. 23, 2026
"Eggs contain all nine essential amino acids that the body needs," she said, noting that pulses - while also nutritious - contain more fibre and a higher share of non-essential amino acids.
From BBC ● Jul. 4, 2026
Chemical reactions like those in our laboratory vessels may be responsible for the organic matter in interstellar space and the amino acids found in meteorites.
From "Cosmos" by Carl Sagan
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.