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Hardness
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Meaning
Noun
●
The quality of being hard.
●
An
instance
of this quality; hardship.
●
In 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.
●
In 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.
●
In Engineering:
A
measure
of how
hard
a
material
is
Sourced from
Wiktionary
Synonyms
Callosity
Durity
Firmness
Hardness
Induration
Inflexibility
Rigidity
Renitence
Renitency
Stiffness
Temper
Solidity
Harshness
Antonyms
Softness
Related
Toughness
Stiffness
Viscosity
Ductility
Durability
Brittleness
Firmness
Strength
Tensile
Rigidity
Roughness
Thickness
Porosity
Density
Conductivity
Softness
Microstructure
Hardenability
Resistivity
Workability
Formability
Lightness
Fineness
Flatness
Machinability
Solubility
Permeability
Deformation
Surface
Acidity
Temperature
Smoothness
Elasticity
Crystallinity
Compressive Strength
Tensile Strength
Tensile Strengths
Thermal Conductivity
Grain Size
Impact Resistance
Shear Strength
Residual Stress
Modulus Of Elasticity
Ultimate Tensile Strength
More
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