[ three-uh-neen, -nin ]
/ ˈθri əˌnin, -nɪn /
an essential amino acid, CH3CHOHCH(NH2)COOH, obtained by the hydrolysis of proteins. Abbreviation: Thr; Symbol: T
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British Dictionary definitions for threonine
/ (ˈθriːəˌniːn, -nɪn) /
an essential amino acid that occurs in certain proteins
Word Origin for threonine
C20 threon-, probably from Greek eruthron, from eruthros red (see erythro-) + -ine ²
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
Medicine definitions for threonine
[ thrē′ə-nēn′, -nĭn ]
A colorless crystalline amino acid that is derived from the hydrolysis of protein and is an essential component of human nutrition.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for threonine
[ thrē′ə-nēn′ ]
An essential amino acid. Chemical formula: C4H9NO3. See more at amino acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.