refractor

[ ri-frak-ter ]

/ rɪˈfræk tər /

noun

a person or thing that refracts.

See under telescope (def. 1).

Origin of refractor

First recorded in 1630–40; refract + -or²

Words nearby refractor

refractive index, refractive keratotomy, refractivity, refractometer, refractometry, refractor, refractory, refractory anemia, refractory period, refractory state, refracture

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for refractor

Here the spectroscope is now placed, but not, as it happens, on the Thompson refractor.
The Royal Observatory Greenwich|E. Walter (Edwared Walter) Maunder
The refractor achieves this by means of a carefully shaped lens, called the object glass, or objective.
Pleasures of the telescope|Garrett Serviss
Thus the refractor and the reflector differ chiefly in their manner of gathering light.
The Outline of Science, Vol. 1 (of 4)|J. Arthur Thomson
With the reflector and the refractor it had been found that the field of good images was strictly limited.
Astronomical Discovery|Herbert Hall Turner

In what follows I have only a refractor in mind, although the same principles would apply to a reflector.
Pleasures of the telescope|Garrett Serviss

British Dictionary definitions for refractor

refractor

/ (rɪˈfræktə) /

noun

an object or material that refracts

another name for refracting telescope

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	refractor
释义	refractor [ ri-frak-ter ] / rɪˈfræk tər / noun a person or thing that refracts. See under telescope (def. 1). Origin of refractor First recorded in 1630–40; refract + -or² Words nearby refractor refractive index, refractive keratotomy, refractivity, refractometer, refractometry, refractor, refractory, refractory anemia, refractory period, refractory state, refracture Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for refractor Here the spectroscope is now placed, but not, as it happens, on the Thompson refractor. The Royal Observatory Greenwich\|E. Walter (Edwared Walter) Maunder The refractor achieves this by means of a carefully shaped lens, called the object glass, or objective. Pleasures of the telescope\|Garrett Serviss Thus the refractor and the reflector differ chiefly in their manner of gathering light. The Outline of Science, Vol. 1 (of 4)\|J. Arthur Thomson With the reflector and the refractor it had been found that the field of good images was strictly limited. Astronomical Discovery\|Herbert Hall Turner In what follows I have only a refractor in mind, although the same principles would apply to a reflector. Pleasures of the telescope\|Garrett Serviss British Dictionary definitions for refractor refractor / (rɪˈfræktə) / noun an object or material that refracts another name for refracting telescope Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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