Biochemistry. the basic sequence of amino acids in a polypeptide or protein.
the basic parts of an aircraft, damage to which would be dangerous.
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Words nearby primary structure
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Scientific definitions for primary structure
The linear sequence of amino acids in a protein. See also quaternary structure secondary structure tertiary structure.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.