[ kree-uh-teen, -tin ]
/ ˈkri əˌtin, -tɪn /
an amino acid, C4H9N3O2, that is a constituent of the muscles of vertebrates and is phosphorylated to store energy used for muscular contraction.
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Origin of creatine
1830–40; creat- (< Greek kreat-, stem of kréas) flesh + -ine2
Words nearby creatine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for creatine
Creatine and creatinine also seem to lessen in amount, but of the extent of this change I am not as yet fully informed.Fat and Blood|S. Weir Mitchell
In vertebrates, the basis for the phosphoric acid is creatine, whereas invertebrates have arginine instead.
British Dictionary definitions for creatine
/ (ˈkriːəˌtiːn, -tɪn) /
an important metabolite involved in many biochemical reactions and present in many types of living cells
Word Origin for creatine
C19: creat- from Greek kreas flesh + -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
Medical definitions for creatine
[ krē′ə-tēn′, -tĭn ]
A nitrogenous organic acid that is found in the muscle tissue of vertebrates mainly in the form of phosphocreatine and supplies energy for muscle contraction.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for creatine
[ krē′ə-tēn′, -tĭn ]
A nitrogenous organic acid that is found in the muscle tissue of vertebrates, mainly combined with phosphorus, and that supplies energy for muscle contraction. Chemical formula: C4H9N3O2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.