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Words related to hardness

hard·ness
H h

  • brinell hardness number

    a measure of the hardness of a material obtained by pressing a hard steel ball into its surface; it is expressed as the ratio of the load on the ball in kilograms to the area of the depression made by the ball in square millimetres

  • marble

    Alice, 1913–90, U.S. tennis player.

  • mohs scale

    a scale of hardness used in mineralogy. Its degrees, in increasing hardness, are: talc 1; gypsum 2; calcite 3; fluorite 4; apatite 5; feldspar 6; quartz 7; topaz 8; sapphire 9; diamond 10. Abbreviation: MSH.

  • soft

    yielding readily to touch or pressure; easily penetrated, divided, or changed in shape; not hard or stiff: a soft pillow.

  • steel

    any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying according to composition and heat treatment: generally categorized as having a high, medium, or low-carbon content.

  • adamant

    If someone is adamant about something, they are determined not to change their mind about it.
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