Amidin, 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.].
Start modified by heat so as to become a transparent mass, like horn. It is soluble in cold water. [1913 Webster]