hardness

IPA(Pronunciation)

/ˈhɑɹdnəs/

Noun

countable uncountable

The quality of being hard. / An instance of this quality; hardship. / (inorganic chemistry) The quantity of calcium carbonate dissolved in water, usually expressed in parts per million (ppm).

Japanese Meaning

硬さ：物体が硬い性質を示す状態 / 困難や苦労：この性質の具体例としての苦労、困難な状況 / 硬度（水）: 水中に溶解したカルシウム炭酸塩の量を示す（ppmで表現される）

What is this buttons?

The hardness of the steel made it ideal for cutting tools.

Google Translation / DeepL Translation

その鋼の硬さは切削工具に最適だった。

Details

Sense（1）

The quality of being hard.

Who can number the cloudes in wiſedom? or who can ſtay the bottles of heauen, / When the duſt groweeh into hardneſſe and the clods cleaue faſt together?

Google Translation / DeepL Translation

Details

Sense（2）

An instance of this quality; hardship.

Sense（3）

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

Sense（4）

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

Sense（5）

Sense（6）

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

hardnesses

（ plural ）

Details

hardness

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