Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of harden is as below...

Sclerosis :: Sclerosis (n.) Hardening of the cell wall by lignification.

Hob :: Hob (n.) A threaded and fluted hardened steel cutter, resembling a tap, used in a lathe for forming the teeth of screw chasers, worm wheels, etc..

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..

Wart :: Wart (n.) An excrescence or protuberance more or less resembling a true wart; specifically (Bot.), a glandular excrescence or hardened protuberance on plants..

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..

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

Hardener :: Hardener (n.) One who, or that which, hardens; specif., one who tempers tools..

Callose :: Callose (a.) Furnished with protuberant or hardened spots.

Semiindurated :: Semiindurated (a.) Imperfectly indurated or hardened.

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..

Bake :: Bake (v. t.) To harden by cold.

Match :: Match (v.) A perforated board, block of plaster, hardened sand, etc., in which a pattern is partly imbedded when a mold is made, for giving shape to the surfaces of separation between the parts of the mold..

Overharden :: Overharden (v. t.) To harden too much; to make too hard.

Exoskeleton :: Exoskeleton (n.) The hardened parts of the external integument of an animal, including hair, feathers, nails, horns, scales, etc.,as well as the armor of armadillos and many reptiles, and the shells or hardened integument of numerous invertebrates; external skeleton; dermoskeleton..

Sclerosis :: Sclerosis (n.) Induration; hardening; especially, that form of induration produced in an organ by increase of its interstitial connective tissue..

Galipot :: Galipot (n.) An impure resin of turpentine, hardened on the outside of pine trees by the spontaneous evaporation of its essential oil. When purified, it is called yellow pitch, white pitch, or Burgundy pitch..

Plank :: Plank (v. t.) To harden, as hat bodies, by felting..

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

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

Setting :: Setting (n.) The act of one who, or that which, sets; as, the setting of type, or of gems; the setting of the sun; the setting (hardening) of moist plaster of Paris; the setting (set) of a current..

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