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hydroxyproline

American  
[hahy-drok-si-proh-leen, -lin] / haɪˈdrɒk sɪˈproʊ lin, -lɪn /

noun

Biochemistry.

  1. a nutritionally nonessential amino acid, C 5 H 9 NO 3 , found chiefly in collagen.

hydroxyproline British  
/ haɪˌdrɒksɪˈprəʊliːn, -lɪn /

noun

  1. an amino acid occurring in some proteins, esp collagen. Formula: (OH)C 4 H 7 N(COOH)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hydroxyproline

First recorded in 1900–05; hydroxy- + proline

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.

Instead of measuring the carbon-14 in bone collagen—a gelatinous mixture that can easily be contaminated by sediment and microorganisms from the environment—the researchers zeroed in on a particular amino acid inside the collagen called hydroxyproline.

From Science Magazine • Sep. 4, 2017

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.