Rigid



adjective
1.
stiff or unyielding; not pliant or flexible; hard:
a rigid strip of metal.
2.
firmly fixed or set.
3.
inflexible, strict, or severe:
a rigid disciplinarian; rigid rules of social behavior.
4.
exacting; thorough; rigorous:
a rigid examination.
5.
so as to meet precise standards; stringent:
lenses ground to rigid specifications.
6.
Mechanics. of, relating to, or noting a body in which the distance between any pair of points remains fixed under all forces; having infinite values for its shear modulus, bulk modulus, and Young’s modulus.
7.
Aeronautics.

(of an airship or dirigible) having a form maintained by a stiff, unyielding structure contained within the envelope.
pertaining to a helicopter rotor that is held fixedly at its root.

adjective
1.
not bending; physically inflexible or stiff: a rigid piece of plastic
2.
unbending; rigorously strict; severe: rigid rules
adverb
3.
completely or excessively: the lecture bored him rigid

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  • Rigid designator

    noun 1. (logic) an expression that identifies the same individual in every possible world: for example, “Shakespeare” is a rigid designator since it is possible that Shakespeare might not have been a playwright but not that he might not have been Shakespeare

  • Rigid-frame

    noun 1. (in iron, steel, and reinforced-concrete construction) a bent having absolutely rigid connections at the knees.



  • Rigidify

    verb (used with or without object), rigidified, rigidifying. 1. to make or become rigid. verb -fies, -fying, -fied 1. to make or become rigid

  • Rigidity

    adjective 1. stiff or unyielding; not pliant or flexible; hard: a rigid strip of metal. 2. firmly fixed or set. 3. inflexible, strict, or severe: a rigid disciplinarian; rigid rules of social behavior. 4. exacting; thorough; rigorous: a rigid examination. 5. so as to meet precise standards; stringent: lenses ground to rigid specifications. 6. Mechanics. […]



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