[ proh-leen, -lin ]
/ ˈproʊ lin, -lɪn /
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an alcohol-soluble amino acid, C4H9NHCOOH, occurring in high concentration in collagen. Abbreviation: Pro; Symbol: P
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
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Which of the following words describes “sky blue”?
Origin of proline
First recorded in 1900–05; alteration of pyrrolidine
Words nearby proline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for proline
/ (ˈprəʊliːn, -lɪn) /
a nonessential amino acid that occurs in protein
Word Origin for proline
C20: from pyrrolidine
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
Medical definitions for proline
[ prō′lēn′ ]
An amino acid that is found in most proteins and is a major constituent of collagen.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for proline
[ prō′lēn′ ]
A nonessential amino acid. Chemical formula: C5H9NO2. See more at amino acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.