case hardened Definition

steely, pupa, cuticle, hard, shield, shields, crust, eczema, set, crusty, file, horn, anneal, brick, callosity, callous, callus, chill, collotype, die, freeze, harden, hardshell, incorrigible, induration, inured, obdurate, ossified, plaster, plastered, plastination, scorching, stony, temper, tempered, bat, bee killer, boncilate, cake, callously, chills, chitinous, cirrhosis, coleoptera, consolidate, constipation, cuir-bouilli, daubing, dir, ebonite, fecal impaction, fossil, fossilize, front, grozing iron, hard steel, hardy, hub, incrustation, indurate, inure, inveterate, knout, lava, linoleum, lost, match, matched, metal, metals, penetration bomb, piece, piecing, pillow lava, pisum, plugged, robber fly, roller bearing, sclerite, sclerotium, seg, siderography, skeleton, tear, ticklish, woodbury-type, appeal, argument, article, background, ball, barrage, bed, carapace, carcass, carry, cartouche, cartridge, casework, cause,