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; priv. + , , mill. See Meal.] Chem.
Start modified by heat so as to become a transparent mass, like horn. It is soluble in cold water.
© Webster 1913.