Look up rigidity or rigid in Wiktionary, the free dictionary.
Rigid or rigidity may refer to:
In mathematics and physics:
Stiffness, the property of a solid body to resist deformation, which is sometimes referred to as rigidity,
Structural rigidity, a mathematical theory of the stiffness of ensembles of rigid objects connected by hinges,
Rigidity (electromagnetism), the resistance of a charged particle to deflection by a magnetic field,
Rigidity (mathematics), a property of a collection of mathematical objects (for instance sets or functions),
Rigid body, in physics, a simplification of the concept of an object to allow for modelling.,
Rigid transformation, in mathematics, a rigid transformation preserves distances between every pair of points.,
Rigidity (neurology), an increase in muscle tone leading to a resistance to passive movement throughout the range of motion,
Rigidity (psychology), an obstacle to problem solving which arises from over-dependence on prior experiences,
Real rigidity and nominal rigidity, the resistance of prices and wages to marketchanges in macroeconomics.,
Ridgid, a brand of tools,
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