[ lahy-seen, -sin ]
/ ˈlaɪ sin, -sɪn /
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a crystalline, basic, amino acid, H2N(CH2)4CH(NH2)COOH, produced chiefly from many proteins by hydrolysis, essential in the nutrition of humans and animals. Abbreviation: Lys; Symbol: K
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Words nearby lysine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for lysine
Zein, the principal protein of corn contains no glycine, lysine, or tryptophane.The Chemistry of Plant Life|Roscoe Wilfred Thatcher
British Dictionary definitions for lysine
/ (ˈlaɪsiːn, -sɪn) /
an essential amino acid that occurs in proteins
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 lysine
[ lī′sēn′, -sĭn ]
An essential amino acid derived from the hydrolysis of proteins and required by the body for optimum growth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for lysine
[ lī′sēn′ ]
An essential amino acid. Chemical formula: C6H14N2O2. See more at amino acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.