Hardness is a word. It is a word in the phrase most hardness scale
no one likes your Hardness! hardness is not a good character.
the scientific word for hardness is density
The opposite of softness is hardness.
No other gemstone has the hardness of a diamond.
The noun 'hardness' is an abstract noun as a word for the difficulty of something.The noun 'hardness' is a concrete noun as a word for a physical property of something.
In the crystal lattice are space which are for molecules, atoms and ions
The Mohs scale compares the hardness of an object or substance.
The Mohs Scale is what is used to measure the relative hardness, or scratch resistance, of minerals. Mohs hardness often agrees with absolute hardness, which is another way of measuring the relative hardness of minerals.
It does no good to avenge a wrong, it only perpetuates the hardness of heart.
A SENTENCE WITH THE WORD OUNCE A SENTENCE WITH THE WORD OUNCE A SENTENCE WITH THE WORD OUNCE A SENTENCE WITH THE WORD OUNCE
The rock I picked up had very good hardness and luster.
a sentence with the word variety