| 单词 | collimator |
| 释义 | collimator /kol"euh may'teuhr/, n. 1. Optics. a. a fixed telescope for use in collimating other instruments. b. an optical system that transmits parallel rays of light, as the receiving lens or telescope of a spectroscope. 2. Physics. a device for producing a beam of particles in which the paths of all the particles are parallel. [1815-25; COLLIMATE + -OR2] |
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