Definition of harden

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Harden (v. i.) To become hard or harder; to acquire solidity, or more compactness; as, mortar hardens by drying..

Lern More About Harden

Obduration :: Obduration (n.) A hardening of the heart; hardness of heart.
Hardy :: Hardy (a.) Confident; full of assurance; in a bad sense, morally hardened; shameless..
Callosity :: Callosity (n.) A hard or thickened spot or protuberance; a hardening and thickening of the skin or bark of a part, eps. as a result of continued pressure or friction..
Harden :: Harden (v. i.) To become confirmed or strengthened, in either a good or a bad sense..
Caseharden :: Caseharden (v. t.) To subject to a process which converts the surface of iron into steel.
Siderography :: Siderography (n.) The art or practice of steel engraving; especially, the process, invented by Perkins, of multiplying facsimiles of an engraved steel plate by first rolling over it, when hardened, a soft steel cylinder, and then rolling the cylinder, when hardened, over a soft steel plate, which thus becomes a facsimile of the original. The process has been superseded by electrotypy..
Lost :: Lost (v. t.) Hardened beyond sensibility or recovery; alienated; insensible; as, lost to shame; lost to all sense of honor..
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..
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..
Freeze :: Freeze (v. t.) To congeal; to harden into ice; to convert from a fluid to a solid form by cold, or abstraction of heat..
Emmarble :: Emmarble (v. t.) To turn to marble; to harden.
Spin :: Spin (v. t.) To form (a web, a cocoon, silk, or the like) from threads produced by the extrusion of a viscid, transparent liquid, which hardens on coming into contact with the air; -- said of the spider, the silkworm, etc..
Boncilate :: Boncilate (n.) A substance composed of ground bone, mineral matters, etc., hardened by pressure, and used for making billiard balls, boxes, etc..
Pozzolana :: Pozzolana (n.) Volcanic ashes from Pozzuoli, in Italy, used in the manufacture of a kind of mortar which hardens under water..
Drawplate :: Drawplate (n.) A hardened steel plate having a hole, or a gradation of conical holes, through which wires are drawn to be reduced and elongated..
Obfirmate :: Obfirmate (v. t.) To make firm; to harden in resolution.
Hub :: Hub (n.) A hardened, engraved steel punch for impressing a device upon a die, used in coining, etc..
Chill :: Chill (n.) An iron mold or portion of a mold, serving to cool rapidly, and so to harden, the surface of molten iron brought in contact with it..
Callose :: Callose (a.) Furnished with protuberant or hardened spots.
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