Defn: An organic base, C6H6N4, produced artificially as a white, crystalline powder, by the action of ammonia on glyoxal.

GLYCOSOMETER
Gly`co*som"e*ter, n. [Gr. sweet + -meter.] (Med.)

Defn: An apparatus for determining the amount of sugar in diabetic urine.

GLYCOSURIA
Gly`co*su"ri*a, n. (Med.)

Defn: Same as Gluoosuria.

GLYCYRRHIZA
Glyc`yr*rhi"za, n. Etym: [L., fr. Gr. Licorice.]

1. (Bot.)

Defn: A genus of papilionaceous herbaceous plants, one species of which (G. glabra), is the licorice plant, the roots of which have a bittersweet mucilaginous taste.

2. (Med.)

Defn: The root of Glycyrrhiza glabra (liquorice root), used as a demulcent, etc.