hardness

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hard·ness

 (härd′nĭs)
n.
1. The quality or condition of being hard.
2. The relative resistance of a mineral to scratching, as measured by the Mohs scale.
3. The relative resistance of a metal or other material to denting, scratching, or bending.

hardness

(ˈhɑːdnɪs)
n
1. the quality or condition of being hard
2. (Minerals) one of several measures of resistance to indentation, deformation, or abrasion. See Mohs scale, Brinell hardness number
3. (Chemistry) the quality of water that causes it to impair the lathering of soap: caused by the presence of certain calcium salts. Temporary hardness can be removed by boiling whereas permanent hardness cannot

hard•ness

(ˈhɑrd nɪs)

n.
1. the state or quality of being hard.
2. that quality in water that is imparted by the presence of dissolved salts, esp. calcium sulfate or bicarbonate.
3. the comparative ability of a substance to scratch or be scratched by another.
4. the measured resistance of a metal to indention, abrasion, deformation, or machining.
[before 900]

hard·ness

(härd′nĭs)
A measure of how easily a mineral can be scratched. Hardness is measured on the Mohs scale.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hardness - the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
consistency, eubstance, consistence, body - the property of holding together and retaining its shape; "wool has more body than rayon"; "when the dough has enough consistency it is ready to bake"
firmness - the property of being unyielding to the touch
incompressibility - the property of being incompressible
softness - the property of giving little resistance to pressure and being easily cut or molded
2.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"
quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
3.hardness - devoid of passion or feeling; hardheartedness
insensitiveness, insensitivity - the inability to respond to affective changes in your interpersonal environment
dullness - lack of sensibility; "there was a dullness in his heart"; "without him the dullness of her life crept into her work no matter how she tried to compartmentalize it."
4.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"
difficultness, difficulty - the quality of being difficult; "they agreed about the difficulty of the climb"
5.hardness - excessive sternness; "severity of character"; "the harshness of his punishment was inhuman"; "the rigors of boot camp"
sternness, strictness - uncompromising resolution

hardness

noun
1. firmness, toughness, rigidity, stiffness, solidity, inflexibility, denseness There was an athletic hardness about his body.
2. severity, toughness, callousness, strictness, lack of compassion, sternness, cold-heartedness, hard-heartedness Her hardness is balanced by a goofy humor.

hardness

noun
1. Reliability in withstanding pressure, force, or stress:
2. The fact or condition of being rigorous and unsparing:
Translations
صُعوبَه، صلابَه، قَسْوَه
tvrdost
hårdhedstrenghed
harka
katılıksertlikzorluk

hardness

[ˈhɑːdnɪs] N
1. (= not softness) [of object, substance, water] → dureza f
2. (= not easiness) [of exam, problem] → dificultad f
hardness of hearingdureza f de oído
3. (= harshness) [of person, measures] → dureza f, severidad f; [of winter, frost] → rigor m
hardness of heartdureza f de corazón, insensibilidad f

hardness

[ˈhɑːrdnɪs] n [surface, object] → dureté fhard-nosed [ˌhɑːrdˈnəʊzd] adjimpitoyable, dur(e)hard of hearing hard-of-hearing
adj
to be hard of hearing → être dur(e) d'oreille
npl
the hard of hearing → les malentendants mplhard porn nporno m hard hard-pressed [ˌhɑːrdˈprɛst] adjsous pression
to be hard-pressed to do sth → avoir du mal à faire qchhard right nextrême droite fhard right hard-right modif [party, leader] → d'extrême droite; [belief, viewpoint] → d'extrême droitehard rock n (MUSIC)hard rock mhard sell hard-sell
n (= aggressive sales pitch) → vente f agressive
modif [tactics, approach] → de vente agressive

hardness

n
Härte f
(= difficulty)Schwere f, → Schwierigkeit f; hardness of hearingSchwerhörigkeit f
(= severity)Härte f; (of winter, frost)Strenge f; (of light)Grelle f, → Grellheit f; the hardness of his heartseine Hartherzigkeit

hardness

[ˈhɑːdnɪs] n (gen) → durezza

hard

(haːd) adjective
1. firm; solid; not easy to break, scratch etc. The ground is too hard to dig.
2. not easy to do, learn, solve etc. Is English a hard language to learn?; He is a hard man to please.
3. not feeling or showing kindness. a hard master.
4. (of weather) severe. a hard winter.
5. having or causing suffering. a hard life; hard times.
6. (of water) containing many chemical salts and so not easily forming bubbles when soap is added. The water is hard in this part of the country.
adverb
1. with great effort. He works very hard; Think hard.
2. with great force; heavily. Don't hit him too hard; It was raining hard.
3. with great attention. He stared hard at the man.
4. to the full extent; completely. The car turned hard right.
ˈharden verb
to make or become hard. Don't touch the toffee till it hardens; Try not to harden your heart against him.
ˈhardness noun
ˈhardship noun
(something which causes) pain, suffering etc. a life full of hardship.
ˈhard-and-fast adjective
(of rules) that can never be changed or ignored.
ˈhard-back noun
a book with a hard cover. Hard-backs are more expensive than paperbacks.
ˌhard-ˈboiled adjective
(of eggs) boiled until the white and the yolk are solid.
hardˈdisk noun
a device that is fixed inside a computer and is used for storing information.
ˈhard-earned adjective
earned by hard work or with difficulty. I deserve every penny of my hard-earned wages.
ˌhard-ˈheaded adjective
practical; shrewd; not influenced by emotion. a hard-headed businessman.
ˌhard-ˈhearted adjective
not feeling or showing pity or kindness. a hard-hearted employer.
ˈhardware noun
1. metal goods such as pots, tools etc. This shop sells hardware.
2. the mechanical parts of a computer.
ˌhard-ˈwearing adjective
that will not wear out easily. a hard-wearing fabric.
be hard on
1. to punish or criticize severely. Don't be too hard on the boy – he's too young to know that he was doing wrong.
2. to be unfair to. If you punish all the children for the broken window it's a bit hard on those who had nothing to do with it.
hard at it
busy doing (something). I've been hard at it all day, trying to get this report finished.
hard done by
unfairly treated. You should complain to the headmaster if you feel hard done by.
hard lines/luck
bad luck. Hard lines/luck! I'm afraid you haven't won this time; It's hard luck that he broke his leg.
hard of hearing
rather deaf. He is a bit hard of hearing now.
a hard time (of it)
trouble, difficulty, worry etc. The audience gave the speaker a hard time of it at the meeting; The speaker had a hard time (of it) trying to make himself heard.
hard up
not having much especially money. I'm a bit hard up at the moment; I'm hard up for envelopes.
References in periodicals archive ?
Tenders are invited for Supply Of Suction Pipe For Pit Pump,Oil Bdv Test Set, Input 230 V + 10%, 50 Hz, Single Phase,Tester Rebound Hardness Tester.
PROCEQ -- the inventor of Leeb rebound hardness testing -- has applied its many years of experience to produce a new instrument with unique features, allowing convenient hardness testing for a large variety of metal pieces on site.
Rebound hardness testing is used on large, coarse-grained materials, forged parts and all types of cast materials because the spherical tip of the impact device produces a rather larger indent than the Vickers diamond and therefore processes the characteristics of the casting structure better, Frank says.