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

Chill :: Chill (v. i.) To become surface-hardened by sudden cooling while solidifying; as, some kinds of cast iron chill to a greater depth than others..

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

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..

Stone :: Stone (n.) To make like stone; to harden.

Crapefish :: Crapefish (n.) Salted codfish hardened by pressure.

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

Graphotype :: Graphotype (n.) A process for producing a design upon a surface in relief so that it can be printed from. Prepared chalk or oxide of zinc is pressed upon a smooth plate by a hydraulic press, and the design is drawn upon this in a peculiar ink which hardens the surface wherever it is applied. The surface is then carefully rubbed or brushed, leaving the lines in relief..

Woodbury-type :: Woodbury-type (n.) A process in photographic printing, in which a relief pattern in gelatin, which has been hardened after certain operations, is pressed upon a plate of lead or other soft metal. An intaglio impression in thus produced, from which pictures may be directly printed, but by a slower process than in common printing..

Casehardened :: Casehardened (a.) Hardened against, or insusceptible to, good influences; rendered callous by persistence in wrongdoing or resistance of good influences; -- said of persons..

Hardening :: Hardening (n.) Making hard or harder.

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

Skeleton :: Skeleton (n.) The more or less firm or hardened framework of an invertebrate animal.

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

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..

Inure :: Inure (v. t.) To apply in use; to train; to discipline; to use or accustom till use gives little or no pain or inconvenience; to harden; to habituate; to practice habitually.

Solidify :: Solidify (v. i.) To become solid; to harden.

Hardening :: Hardening (n.) That which hardens, as a material used for converting the surface of iron into steel..

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..

Indurate :: Indurate (a.) Hardened; not soft; indurated.

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