| 单词 | rigid |
| 释义 | 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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