How to Use hardness in a Sentence

hardness

noun
  • The wood's hardness makes it suitable for carving.
  • The speed and the shape of the extruder help determine the hardness of the ice.
    Manasee Wagh, Popular Mechanics, 11 May 2023
  • All the hardness that would sometimes creep across his face was gone in his sleep.
    Shaheen Pasha, Longreads, 1 May 2020
  • That and the faux ivory ball didn’t have the hardness of the real thing, so billiard players spurned it.
    Matt Simon, WIRED, 27 Oct. 2022
  • The tool is made from plated steel that is high in hardness and good with toughness.
    Chris Hachey, BGR, 9 June 2021
  • The second factor to consider is the hardness of the chew.
    Amber Smith, Discover Magazine, 23 Oct. 2022
  • Fill the dispenser based on your load and water hardness.
    Carolyn Forté, Good Housekeeping, 13 July 2022
  • The sight of her in bed turned his lungs cold, but the hardness usually in her eyes had vanished.
    Aaron Gilbreath, Longreads, 22 May 2017
  • Torlef Borsting doesn’t downplay the Count’s hardness of heart.
    Matthew J. Palm, orlandosentinel.com, 2 Nov. 2019
  • Ginn’s hands rank just below topaz on the Mohs scale of mineral hardness, but the dude can flat-out fly.
    Pat Fitzmaurice, SI.com, 2 Aug. 2017
  • The hardness of water is measured in grains, with one grain equal to one seven-thousandth of a pound.
    Tim Carter, Orange County Register, 3 Jan. 2017
  • Dinges then exposed the soft aluminum to a series of heat and acid treatments that achieved a hardness three times that of steel.
    Scott Suchman, Popular Mechanics, 29 Apr. 2021
  • There are just too many variables here to consider in terms of wood hardness, access to the cut, and the person’s strength.
    Roy Berendsohn, Popular Mechanics, 17 July 2023
  • The case, meanwhile, is milled from a single piece of 904L stainless steel—a painstaking process due to its hardness.
    Paige Reddinger, Robb Report, 28 May 2022
  • Like the marble tabletop, they are all rounded and have a cold hardness that even suggests that they are made of stone.
    John Wilmerding, WSJ, 2 Sep. 2022
  • The hardness comes from a buildup of visceral fat—the kind of fat that builds up on your internal organs.
    Sarah Fielding, Men's Health, 31 Mar. 2023
  • There is a measure of hardness called Janka to rank hardwood.
    Nafeesah Allen, Better Homes & Gardens, 13 May 2022
  • The embryonic stem cells of frogs migrate to create the hardness of frog faces.
    Rafil Kroll-Zaidi, Harper’s Magazine , 16 Mar. 2022
  • The trail into the cave, which in the past was snowshoe or skis only, is now packed into concrete-like hardness.
    John Schandelmeier, Anchorage Daily News, 2 Apr. 2022
  • Or maybe some of them are hard, but their hardness isn’t of a kind that lends itself to secure encryption.
    Quanta Magazine, 18 Apr. 2022
  • The food processor is not suitable for grinding a blend of spices of varying hardness and size.
    Mayukh Sen, The New Yorker, 30 Oct. 2021
  • There is Williams, who’s the spark and energy of the team, and guard Jasmine Thomas, the veteran who comes poised, but with a gritty hardness to her.
    BostonGlobe.com, 29 Sep. 2019
  • The chair is cooled in a water bath for 10 minutes, squared up to eliminate wobble, and baked overnight to take the aluminum up to T6—three times the hardness of steel.
    Scott Suchman, Popular Mechanics, 29 Apr. 2021
  • Her stance was that of a woman who looked out for herself, as the Italian women saw it, her sternness a kind of hardness, like that of a man.
    Sarah Schweitzer, The Atlantic, 15 Aug. 2019
  • Swap the stock bushings—the rubbery ring in the center of each truck—for a pair of medium-hardness Bones bushings (and leave the top washer off) for even smoother turns.
    Mike Senese, Wired, 15 Aug. 2022
  • In a high-traffic kitchen, the hardness and density of hickory stand up well.
    Jan Soults Walker, Better Homes & Gardens, 13 Dec. 2021
  • And all these problems have their own dimension of hardness.
    Foreign Affairs, 15 Oct. 2013
  • McKay also said he was surprised at the hardness of the lunar surface.
    Houston Chronicle, 21 July 2019
  • After just a few weeks with Murad, the size and hardness of the milia has reduced dramatically.
    Esther Newman, refinery29.com, 25 Jan. 2024
  • Other confounding variables include altitude, water hardness, and the freshness of the coffee.
    Matthew Korfhage, WIRED, 5 Sep. 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'hardness.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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