1. a surface or device that reflects light, heat, or sound
2. a piece of reflective material used for safety or visibility
3. a curved mirror or surface used in telescopes or other optical instruments
Usage: technical

Examples

• The bicycle had reflectors on the wheels for nighttime safety.
• The telescope uses a large reflector to gather starlight.
• She adjusted the reflector to bounce more light onto the subject.
• Road signs often have reflective material that acts as a reflector.
• The photographer positioned a white reflector to soften the shadows.
• Solar reflectors can redirect sunlight to heat water.
• The car’s headlight reflector was cracked and needed replacement.