what is difference between hardness and insensibility
From Middle English hardness, hardnesse, from Old English heardness, from heard + -ness. Equivalent to hard + -ness.
- (General American) enPR: härdʹnəs, IPA(key): /ˈhɑɹdnəs/
- (Received Pronunciation) IPA(key): /ˈhɑːdnəs/
- Hyphenation: hard‧ness
hardness (countable and uncountable, plural hardnesses)
- 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).
- The resistance to scratching, cutting, indentation or abrasion of a metal or other solid material.
- (physics) The penetrating ability of electromagnetic radiation, such as x-rays; generally, the shorter the wavelength, the harder and more penetrating the radiation.
- The measure of resistance to damage of a facility, equipment, installation, or telecommunications infrastructure when subjected to attack.
- hardness in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
From Old French insensibilité, from Late Latin insensibilitas
insensibility (plural insensibilities)
- The property of being insensible.