rigid

rigid
rigidity, rigidness, n.rigidly, adv.
/rij"id/, adj.
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. Mech. of, pertaining 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. Aeron.
a. (of an airship or dirigible) having a form maintained by a stiff, unyielding structure contained within the envelope.
b. pertaining to a helicopter rotor that is held fixedly at its root.
[1530-40; < L rigidus, equiv. to rig(ere) to be stiff, stiffen + -idus -ID4]
Syn. 1. unbending, firm, inflexible. 2. immovable, static. 3. austere, stern, unyielding. See strict. 4, 5. demanding.
Ant. 1. elastic. 3. lax.

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Universalium. 2010.

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  • Rigid — Rig id, a. [L. rigidus, fr. rigere to be stiff or numb: cf. F. rigide. Cf. {Rigor}. ] 1. Firm; stiff; unyielding; not pliant; not flexible. [1913 Webster] Upright beams innumerable Of rigid spears. Milton. [1913 Webster] 2. Hence, not lax or… …   The Collaborative International Dictionary of English

  • rigid — [rij′id] adj. [L rigidus < rigere, to be stiff, numb < IE base * (s)rig , cold > FRIGID] 1. not bending or flexible; stiff and hard [a rigid metal girder] 2. not moving; set 3. severe; strict; exacting [a rigid taskmaster] 4 …   English World dictionary

  • Rigid VI — Rigid the Sixth was a devoted husband and father, and was also very fond of animals, in marked contrast to his predecessors who had spent most of their spare time shooting arrows into the wild boars who roamed the palace corridors. Rigid was also …   Dictionary of Australian slang

  • Rigid — (v. lat.), 1) starr, spröde; 2) streng, hart, unerbittlich; daher Rigidiōres (Strengere), welche an dem Lehrbegriff der Kirche streng halten. Rigidisten, eine Partei der Jansenisten, welche auf ein festes Halten an der alten Kirchenordnung… …   Pierer's Universal-Lexikon

  • Rigīd — (lat.), starr, streng; Rigidität, Strenge …   Meyers Großes Konversations-Lexikon

  • Rigid — Rigīd (lat.), starr, streng; Rigidität, Starrheit, Strenge …   Kleines Konversations-Lexikon

  • Rigid — Rigid, lat. dtsch., starr, steif, spröde; streng, hart; R. ität, Steifheit, Starrheit; Strenge …   Herders Conversations-Lexikon

  • rigid — I adjective austere, dour, durus, exact, exacting, firm, firmly set, fixed, flinty, formal, hard, harsh, hidebound, indurate, indurated, indurative, inelastic, inexorable, inflexible, intractable, motionless, obdurate, obstinate, orthodox,… …   Law dictionary

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