You searched for: “refractor”
refractor (s) (noun), refractors (pl)
An instrument which alters the direction of a beam of light by passing it between two transparent materials of different densities.
This entry is located in the following units: frag-, frang-, fract-, fring- (page 5) -or; -our (primarily British) (page 12)
Word Entries at Get Words containing the term: “refractor”
refractor telescope (s) (noun), refractor telescopes (pl)
A telescope that uses lenses to gather light from faint objects: The front objective lens of the refractor telescope is usually made of two or more components, with the eyepiece at the other end being the point at which the observer sees the image of the object.

This entry is located in the following unit: Astronomy and related astronomical terms (page 21)