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Sclerenchyma :: Sclerenchyma (n.) Vegetable tissue composed of short cells with thickened or hardened walls, as in nutshells and the gritty parts of a pear. See Sclerotic..

Ossify :: Ossify (v. t.) Fig.: To harden; as, to ossify the heart..

Endure :: Endure (v. t.) To harden; to toughen; to make hardy.

Hammer-harden :: Hammer-harden (v. t.) To harden, as a metal, by hammering it in the cold state..

Tap :: Tap (n.) A tool for forming an internal screw, as in a nut, consisting of a hardened steel male screw grooved longitudinally so as to have cutting edges..

Cement :: Cement (n.) A kind of calcined limestone, or a calcined mixture of clay and lime, for making mortar which will harden under water..

Caseharden :: Caseharden (v. t.) To render insensible to good influences.

Comb :: Comb (n.) A former, commonly cone-shaped, used in hat manufacturing for hardening the soft fiber into a bat..

Caseharden :: Caseharden (v. t.) To subject to a process which converts the surface of iron into steel.

Casehardened :: Casehardened (a.) Having the surface hardened, as iron tools..

Die :: Die (n.) A perforated block, commonly of hardened steel used in connection with a punch, for punching holes, as through plates, or blanks from plates, or for forming cups or capsules, as from sheet metal, by drawing..

Candleberry Tree :: Candleberry tree () A shrub (the Myrica cerifera, or wax-bearing myrtle), common in North America, the little nuts of which are covered with a greenish white wax, which was formerly, used for hardening candles; -- also called bayberry tree, bayberry, or candleberry..

Kiln :: Kiln (n.) A large stove or oven; a furnace of brick or stone, or a heated chamber, for the purpose of hardening, burning, or drying anything; as, a kiln for baking or hardening earthen vessels; a kiln for drying grain, meal, lumber, etc.; a kiln for calcining limestone..

Obdure :: Obdure (v. t.) To harden.

Indurate :: Indurate (v. i.) To grow hard; to harden, or become hard; as, clay indurates by drying, and by heat..

Shield :: Shield (n.) In lichens, a Hardened cup or disk surrounded by a rim and containing the fructification, or asci..

Callous :: Callous (a.) Hardened in mind; insensible; unfeeling; unsusceptible.

Perisarc :: Perisarc (n.) The outer, hardened integument which covers most hydroids..

Emmarble :: Emmarble (v. t.) To turn to marble; to harden.

Lapidescence :: Lapidescence (n.) A hardening into a stone substance.

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