hardness
noun
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Definition of hardness
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Synonyms for hardness
Synonyms
adversity, asperity, difficulty, hardship, rigor
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Examples of hardness in a Sentence
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Besides their sought-after clarity, extreme hardness, and entanglement in civil wars, diamonds tell unique geologic stories. — Scott K. Johnson, Ars Technica, "Blue diamonds come from ocean floor that is pushed nearly to Earth’s core," 1 Aug. 2018 Graded to an incredibly high 62+ Rockwell hardness, these knives are also fully stain- and rust-resistant, and are precision-balanced and weighted for superior performance. — Popular Mechanics, "These Precise Japanese Knives Are a Kitchen Must-Have," 11 Dec. 2018 First, components are designed in thousands of different materials and alloys for reasons of performance (hardness, resistance to corrosion, etc.). — WSJ, "While Great, 3-D Printers Have Limitations," 2 Nov. 2018 Adjust the calcium hardness by using calcium chloride. — Danielle Beurteaux, Popular Mechanics, "How to Get Your Swimming Pool Ready for Summer," 18 May 2018 This is directly dependent on the hardness of the water. — Danielle Beurteaux, Popular Mechanics, "How to Get Your Swimming Pool Ready for Summer," 18 May 2018 More intimate than a typical period drama, the movie becomes an unexpectedly intense, racking examination of Mary’s psychology: her impulsiveness, her defiance, the almost frightening hardness at her core. — Jamie Hawkesworth, Vogue, "Saoirse Ronan on Growing Up on Camera, the Changing Politics of Ireland, and Becoming a Queen," 11 July 2018 And while the cast (which also includes Melissa Miller in dual roles) is uniformly strong, the blend of hardness and heartbreak that Meaney displays is especially affecting. — James Hebert, sandiegouniontribune.com, "A struggle to cling to identity is at heart of La Jolla Playhouse's quietly moving 'Queens'," 10 July 2018 Those included low pressure (12 percent); bad taste (11 percent); water hardness (8 percent); discoloration (8 percent); bad smell (6 percent); and high lead/mineral content (4 percent). — Robert Higgs, cleveland.com, "Cleveland water system trails the Midwest in J.D. Power customer satisfaction study," 15 May 2018These 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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hardness
noun
English Language Learners Definition of hardness
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