essential amino acid
noun Biochemistry.
any amino acid that is required by an animal for growth but that cannot be synthesized by the animal's cells and must be supplied in the diet.
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Origin of essential amino acid
First recorded in 1935–40
Words nearby essential amino acid
Essen, essence, essence d'orient, Essene, essential, essential amino acid, essential dysmenorrhea, essential element, essential fatty acid, essential fructosuria, essential hematuria
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Medical definitions for essential amino acid
essential amino acid
n.
An alpha-amino acid that is required for protein synthesis but cannot be synthesized by humans and must be obtained in the diet.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.