Word Study
achromic
CIDE DICTIONARY
achromic, 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. [Webster 1913 Suppl.]
THESAURUS
achromic
achromatic, anemic, ashen, ashy, bled white, bloodless, cadaverous, chloranemic, colorless, dead, deadly pale, deathly pale, dim, dimmed, dingy, discolored, dull, etiolated, exsanguinated, exsanguine, exsanguineous, faded, faint, fallow, flat, ghastly, gray, haggard, hueless, hypochromic, lackluster, leaden, livid, lurid, lusterless, mat, mealy, muddy, neutral, pale, pale as death, pale-faced, pallid, pasty, sallow, sickly, tallow-faced, toneless, uncolored, wan, washed-out, waxen, weak, whey-faced, whiteFor further exploring for "achromic" in Webster Dictionary Online