What is "amidin"

Amidin \Am"i*din\, n. [Cf. F. amidine, fr. amido? starch, fr. L. amylum, Gr. ? fine meal, neut. of ? not ground at the mill, -- hence, of the finest meal; 'a priv. + ?, ?, mill. See Meal.] (Chem.) Start modified by heat so as to become a transparent mass, like horn. It is soluble in cold water.

n. (context chemistry English) starch modified by heat so as to become a transparent mass, like horn. It is soluble in cold water.