- 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.
Beyond their role in protein production, these amino acids participate in important biological processes.
From Science Daily ● Sep. 6, 2026
The findings, published in Current Biology, also show that many types of pollen contain essential amino acids in proportions that do not closely match the needs of bees.
From Science Daily ● Aug. 19, 2026
Gut bacteria create these compounds when they digest the amino acids tyrosine and phenylalanine, but the resulting metabolites can have very different effects on health.
From Science Daily ● Aug. 15, 2026
Peptides are short chains of amino acids that assemble to form proteins, which are the body's building blocks.
From Barron's ● Aug. 14, 2026
Beans have both lysine and tryptophan, but not the amino acids cysteine and methionine, which are provided by maize.
From "1491" by Charles C. Mann
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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.