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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. *In medicine: * *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 *In economics: * *Real rigidity and nominal rigidity, the resistance of prices and wages to marketchanges in macroeconomics. *Ridgid, a brand of tools cs:Rigidní de:Rigidität ja:固縮 ru:Ригидность sr:Ригидност uk:Ригідність 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rigidity」の詳細全文を読む スポンサード リンク
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