Refractor
/rɪˈfræktər/
Definition 1 of 2
Pro Tip 1/3Optics Use
Refractors bend light for instruments like telescopes, cameras, and microscopes. 
The microscope's refractor enhanced the image clarity.
Pro Tip 2/3Scientific Term
Used in science and technical discussions, not in everyday conversation. 
We studied how the refractor impacts light waves in physics class.
Pro Tip 3/3Specific Objects
Linked to specific objects, 'refractor' isn't used for anything that bends light. 
She adjusted the telescope's refractor to view the stars.