Definition of hardness Hardness

/hɑˈɹdnʌs/ - [hardnus] - hard•ness

We found 12 definitions of hardness from 5 different sources.

What does hardness mean?

WordNet

Noun Plural: hardnesses
hardness - the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
		softness a disposition to be lenient in judging others; "softness is not something permitted of good leaders"
		hard dried out; "hard dry rolls left over from the day before"
		soft not brilliant or glaring; "the moon cast soft shadows"; "soft pastel colors"; "subdued lighting"
		eubstance, consistence, consistency, body a harmonious uniformity or agreement among things or parts
		firmness the property of being unyielding to the touch
hardness - the quality of being difficult to do; "he assigned a series of problems of increasing hardness"; "the ruggedness of his exams caused half the class to fail"
		ruggedness
		difficultness, difficulty the quality of being difficult; "they agreed about the difficulty of the climb"
hardness - a quality of water that contains dissolved mineral salts that prevent soap from lathering; "the costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present"
hardness - excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp"
		severity, severeness, harshness, rigor, rigour, rigorousness, rigourousness, inclemency, stiffness
		sternness, strictness uncompromising resolution
hardness - devoid of passion or feeling; hardheartedness
		unfeelingness, callousness, callosity, insensibility
		insensitiveness, insensitivity the inability to respond to affective changes in your interpersonal environment

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Wiktionary

hardness (Noun)
The quality of being hard.
hardness (Noun)
An instance of this quality; hardship.

Webster DictionaryWebster's Unabridged Dictionary 📘

hardness (n.)
The quality or state of being hard, literally or figuratively.
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 (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.