Laxi Dictionary

American Dictionary

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Definition hardness in American English

hardness noun

[uncountable] noun
/ˈhɑrdnəs/
1

the quality of being stiff, firm, and not easy to bend or break

Example

The softness or hardness of these mattresses can vary.

Example

Sapphire's hardness is second only to diamond.

Synonyms and related words
solid stiff hard
2

the quality of being unkind or cruel

Example

hardness of heart

Synonyms and related words
cruelty evil abuse
3

the extent to which water contains a lot of minerals

Example

The hardness of water is determined by the amount of calcium and magnesium present in the water.

Synonyms and related words
aqua brine distilled water
Definition hardness in American English