Derivationally Related Form:collimate
Hypernyms:scope telescope
Inherited Hypernyms:collimatortelescopemagnifierscientific instrumentinstrumentdeviceinstrumentalityartifactwholeobjectphysical entityentity
| 单词 | collimator |
| 释义 | Collimator nnoun.artifacta small telescope attached to a large telescope to use in setting the line of the larger one Derivationally Related Form:collimate Hypernyms:scope telescope Inherited Hypernyms:collimatortelescopemagnifierscientific instrumentinstrumentdeviceinstrumentalityartifactwholeobjectphysical entityentity nnoun.artifactoptical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam Part Holonyms:prism spectroscope spectroscope Hypernyms:optical device Inherited Hypernyms:collimatoroptical devicedeviceinstrumentalityartifactwholeobjectphysical entityentity |
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