refractor
- noun
- /rɪˈfræktər/
- Specialized
- With my new 4-inch refractor, I can clearly see the rings of Saturn from my backyard.
- a 36-inch refractor
- inch refractor
- refractor at the Observatory
Examples
-
The Observatory itself had a 6-inch refractor and a transit instrument.
Academic text (2005) -
I set up my 4-inch refractor on my back deck outside my house in San Rafael, California.
Academic text (2002) -
I want a two-inch refractor for tomorrow.
-
We chose a refractor as our primary instrument for classroom and public observing.
Academic text (2003) -
William Hale bought his son an excellent 12-inch refractor to carry the new instrument.
Academic text (1992) -
At that time, the flagship of Lick Observatory was the great 36-inch refractor on Mount Hamilton.
Academic text (2004) -
From 1949 to 1966, the observatory dedicated a 25-centimeter refractor to observing those minor planets most in need of attention.
Academic text (1996) -
Barnard obtained time on the 36-inch refractor in 1892 by going over the director's head to the university trustees.
Academic text (1992) -
Prior to 1892, he was assigned to the Observatory's 12-inch Clark refractor and other smaller telescopes.
Academic text (2004) -
As the Observatory director, Holden was in charge of assigning observing time on the 36-inch refractor.
Academic text (2004)
Synonyms
A tool with lenses or mirrors that makes far things look closer
A machine with lenses or mirrors that gathers and focuses visible light to see distant stars and planets
A telescope that uses a large lens to bend light to make images you view through an eyepiece
How Powerful
- Specialized
- Specialized
- Specialized
Surface Forms
Morphology
Etymology
Refractor comes from the Latin parts re- 'back' and frangere 'to break', the same root you see in fracture. So a refractor telescope 'bends' or 'breaks' the path of light to bring a clear image into focus.