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amino-acid dating

American  
[uh-mee-noh as-id, am-uh-noh-] / əˈmi noʊ ˈæs ɪd, ˈæm əˌnoʊ- /

noun

  1. a method used to date an organic geological or archaeological specimen, as a fossil or mummified body, by determining how much change has occurred in the amino-acid structure of that specimen.

Etymology

Origin of amino-acid dating

First recorded in 1970–75

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.