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col·li·ma·tor
 collimator
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- pronunciation:
- ka
lih
meI
t
 r
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| definition 1: |
a small telescope that is fixed to a larger one and is used to align it accurately.
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| definition 2: |
a device that transmits a beam of radiation, esp. light, as parallel rays.
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