1 hardness | Definition of hardness

hardness

noun
hard·​ness | \ ˈhärd-nÉ™s How to pronounce hardness (audio) \

Definition of hardness

1 : the quality or state of being hard
2a : the cohesion of the particles on the surface of a mineral as determined by its capacity to scratch another or be itself scratched — compare mohs' scale
b : resistance of metal to indentation under a static load or to scratching

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Examples of hardness in a Sentence

the hardness of a diamond The wood's hardness makes it suitable for carving.

Recent Examples on the Web

McKay also said he was surprised at the hardness of the lunar surface. Houston Chronicle, "Armstrong and Aldrin Take ‘One Small Step for Man’ on the Moon," 21 July 2019 Playtex’—a victory of elegant softness over engineered hardness. Adam Gopnik, The New Yorker, "Between the Moon and Woodstock," 20 July 2019 Sonically, everything here sounds more in line with the hardness of your earlier work, whereas The New Classic felt more pop-influenced. Joey Nolfi, EW.com, "Iggy Azalea is finally at peace on In My Defense, whether you like it or not," 19 July 2019 Meanwhile, depression and the hardness of New York City threaten to overcome Patsy. Adrienne Green, The Atlantic, "The Costs of Going After Love," 7 June 2019 Such images play, gently, with the notions of hardness and machismo that characterize stereotypes of black masculinity. Sharon Mizota, latimes.com, "Review: A painter probes hip-hop stereotypes and what it means to be black and male," 17 June 2019 Tempering gives up added hardness in favor of flexibility. Shannon Liao, The Verge, "Why your brand-new smartphone will scratch just as easily as your old one," 19 Oct. 2018 Despite being harder than styrofoam, polystyrene won't be able to hold a candle to the hardness of even your softer steels, and as such would require an absurd amount of maintenance to keep in cutting shape. Eric Limer, Popular Mechanics, "Yes, You Can Make a Knife Out of Styrofoam," 8 Apr. 2019 Unlike soil, stone has a uniform hardness and provides efficient drainage. Peter Martin, Popular Mechanics, "How To Build a Beautiful Bluestone Patio in One Afternoon," 23 Sep. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hardness.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hardness

before the 12th century, in the meaning defined at sense 1

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More Definitions for hardness

hardness

noun

English Language Learners Definition of hardness

: the quality or state of being hard

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