A*chro"mic (?), a. [Gr. &?; colorless; &?; priv. + &?; color.] Free from color; colorless; as, in Physiol. Chem., the achromic point of a starch solution acted upon by an amylolytic enzyme is the point at which it fails to give any color with iodine.

A*chro"mic (?), a. [Gr. &?; colorless; &?; priv. + &?; color.] Free from color; colorless; as, in Physiol. Chem., the achromic point of a starch solution acted upon by an amylolytic enzyme is the point at which it fails to give any color with iodine.