Dictionary
i•so•leu•cine
Pronunciation: (ī"su-lOO'sēn, -sin), [key]—
n. Biochem.
a crystalline amino acid, C
6H
13O
2, occurring in proteins, that is essential to the nutrition of humans and animals.
Abbr.: Ile;
Symbol: I
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.