/glooh'teuh thuy"ohn/ , n. Biochem.
a crystalline, water-soluble peptide of glutamic acid, cysteine, and glycine, C 10 H 17 N 3 O 6 S, found in blood and in animal and plant tissues, and important in tissue oxidations and in the activation of some enzymes.
[ 1920-25; GLUTA(MIC ACID) + THI- + -ONE ]