Definition of hardness

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Hardness (n.) The cohesion of the particles on the surface of a body, determined by its capacity to scratch another, or be itself scratched;-measured among minerals on a scale of which diamond and talc form the extremes..

Lern More About Hardness

Hardness :: Hardness (n.) The cohesion of the particles on the surface of a body, determined by its capacity to scratch another, or be itself scratched;-measured among minerals on a scale of which diamond and talc form the extremes..
Hardness :: Hardness (n.) The peculiar quality exhibited by water which has mineral salts dissolved in it. Such water forms an insoluble compound with soap, and is hence unfit for washing purposes..
Steel :: Steel (n.) Fig.: Anything of extreme hardness; that which is characterized by sternness or rigor.
Sclerometer :: Sclerometer (n.) An instrument for determining with accuracy the degree of hardness of a mineral.
Impenitence :: Impenitence (n.) The condition of being impenitent; failure or refusal to repent; hardness of heart.
Stern :: Stern (superl.) Having a certain hardness or severity of nature, manner, or aspect; hard; severe; rigid; rigorous; austere; fixed; unchanging; unrelenting; hence, serious; resolute; harsh; as, a sternresolve; a stern necessity; a stern heart; a stern gaze; a stern decree..
Iron :: Iron (n.) Like iron in hardness, strength, impenetrability, power of endurance, insensibility, etc.;.
Solidity :: Solidity (n.) The state or quality of being solid; density; consistency, -- opposed to fluidity; compactness; fullness of matter, -- opposed to openness or hollowness; strength; soundness, -- opposed to weakness or instability; the primary quality or affection of matter by which its particles exclude or resist all others; hardness; massiveness..
Linoleum :: Linoleum (n.) Linseed oil brought to various degrees of hardness by some oxidizing process, as by exposure to heated air, or by treatment with chloride of sulphur. In this condition it is used for many of the purposes to which India rubber has been applied..
Brassy :: Brassy (a.) Of or pertaining to brass; having the nature, appearance, or hardness, of brass..
Crustiness :: Crustiness (n.) The state or quality of having crust or being like crust; hardness.
Obduredness :: Obduredness (n.) Hardness.
Disthene :: Disthene (n.) Cyanite or kyanite; -- so called in allusion to its unequal hardness in two different directions. See Cyanite.
Softness :: Softness (n.) The quality or state of being soft; -- opposed to hardness, and used in the various specific senses of the adjective..
Vulcanization :: Vulcanization (n.) The act or process of imparting to caoutchouc, gutta-percha, or the like, greater elasticity, durability, or hardness by heating with sulphur under pressure..
Boron :: Boron (n.) A nonmetallic element occurring abundantly in borax. It is reduced with difficulty to the free state, when it can be obtained in several different forms; viz., as a substance of a deep olive color, in a semimetallic form, and in colorless quadratic crystals similar to the diamond in hardness and other properties. It occurs in nature also in boracite, datolite, tourmaline, and some other minerals. Atomic weight 10.9. Symbol B..
Temper :: Temper (v. t.) To bring to a proper degree of hardness; as, to temper iron or steel..
Irony :: Irony (a.) Resembling iron taste, hardness, or other physical property..
Stone :: Stone (n.) Fig.: Symbol of hardness and insensibility; torpidness; insensibility; as, a heart of stone..
Petrify :: Petrify (v. i.) To become stone, or of a stony hardness, as organic matter by calcareous deposits..
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