hardness

noun

/ˈhɑɹdnəs/US/ˈhɑːdnəs/UK

Etymology

From Middle English hardness, hardnesse, from Old English heardnes, from heard + -nes, equivalent to hard + -ness.

inherited from heardnes
inherited from hardness

Definitions

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^([sic – meaning groweth]) into hardneſſe and the clods cleaue faſt together?
An instance of this quality
An instance of this quality; hardship.
The quantity of calcium carbonate dissolved in water, usually expressed in parts per…
The quantity of calcium carbonate dissolved in water, usually expressed in parts per million (ppm).
›+ 4 more definitionsshow fewer
1. The resistance to scratching, cutting, indentation or abrasion of a metal or other solid…
  The resistance to scratching, cutting, indentation or abrasion of a metal or other solid material.
2. The penetrating ability of electromagnetic radiation, such as x-rays
  The penetrating ability of electromagnetic radiation, such as x-rays; generally, the shorter the wavelength, the harder and more penetrating the radiation.
3. The measure of resistance to damage of a facility, equipment, installation, or…
  The measure of resistance to damage of a facility, equipment, installation, or telecommunications infrastructure when subjected to attack.
4. 7
  A measure of how hard a material is.
  - The hardness of the material was high.

The neighborhood

synonymcallosity
synonymdurity
synonymfirmness
synonymhardness
synonyminduration
synonyminflexibility
synonymrigidity
synonymrenitence
synonymrenitency
synonymstiffness
synonymtemper
antonymsoftness
neighborhardiness
neighborbone
neighborcement
neighborconcrete
neighborcrystal
neighboroak
neighbormetal
neighboriron
neighborsteel
neighborrock
neighborstone
neighbordiamond

Derived

hardness of hearing, Knoop hardness, macrohardness, microhardness, nanohardness, total hardness, Vickers hardness, water hardness

Vish — recursive loop

A definitional loop anchored at hardness. Each word in the ring is defined by the next; follow the chain far enough and it folds back on itself. Scroll to it and watch.

A definitional loop anchored at hardness. Each word in the ring appears in the definition of the next; follow the chain far enough and it folds back on itself.

9 hops · closes at hardness

curated · pre-corpus. live cycle detection across the full graph is the next major milestone.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA