Question 1 · Quick check
hardness
/ˈhɑɹdnəs/
noun
Türkçe translations
Translating…
In plain English
- 01
noun
The quality of being firm, solid, or difficult to break.
- 02
noun
Extra detailAn instance of this quality; hardship.
Examples
The hardness of diamond is such that it can cut glass.
The hardness of diamond is 10.
At a glance
Sits at C1 on the CEFR scale
- Senses
- 5
- Parts of speech
- 1
- Citations
- 2
- Synonyms
- 5
Deep Dive
noun
Extra meaningsThe quantity of calcium carbonate dissolved in water, usually expressed in parts per million (ppm).
The quality of being hard.
The resistance to scratching, cutting, indentation or abrasion of a metal or other solid material.
More examples
In contextThe hardness of the material was high.
Who can number the cloudes in wiſedom? or who can ſtay the bottles of heauen, / When the duſt groweeh^([sic – meaning groweth]) into hardneſſe and the clods cleaue faſt together?
Related
Quick test
Two questions on this entry. Nothing is scored.
Practise this properly in the app, where the word comes back before you forget it.
Nearby
Origin
noun
From Middle English hardness, hardnesse, from Old English heardnes, from heard + -nes, equivalent to hard + -ness.