1.
[syn: creatine, creatin]
The Collaborative International Dictionary of English v.0.48:
Creatin \Cre"a*tin\ (kr?"?-t?n), n. [Gr. ??? flesh.] (Physiol.
Chem.)
A white, crystalline, nitrogenous substance found abundantly
in muscle tissue. [Written also kreatine.]
[1913 Webster]
WordNet (r) 3.0 (2006):
creatin
n 1: an amino acid that does not occur in proteins but is found
in the muscle tissue of vertebrates both in the free form
and as phosphocreatine; supplies energy for muscle
contraction [syn: creatine, creatin]