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hardness

C2 noun

hardness /ˈhɑɹdnəs/ nghĩa là độ cứng

Các nghĩa

  1. độ cứng

    The quality of being hard.

    countable · uncountable

    The hardness of diamond is 10.

    One of the qualities of steel is hardness.

    Mineral hardness is measured on the Mohs scale.

  2. sự khó khăn, gian khổ

    An instance of this quality; hardship.

    countable · uncountable

  3. độ cứng của nước

    The quantity of calcium carbonate dissolved in water, usually expressed in parts per million (ppm).

    countable · uncountable

  4. độ cứng

    The resistance to scratching, cutting, indentation or abrasion of a metal or other solid material.

    countable · uncountable

  5. độ xuyên thấu

    The penetrating ability of electromagnetic radiation, such as x-rays; generally, the shorter the wavelength, the harder and more penetrating the radiation.

    countable · uncountable

  6. khả năng chống chịu

    The measure of resistance to damage of a facility, equipment, installation, or telecommunications infrastructure when subjected to attack.

    countable · uncountable

+ 1 nghĩa khác

  1. độ cứng

    A measure of how hard a material is.

    countable

    The hardness of the material was high.

Dạng khác