reflector

noun

re·​flec·​tor ri-ˈflek-tər 

1

: one that reflects

especially : a polished surface for reflecting light or other radiation

2

: a telescope in which the principal focusing element is a mirror

Examples of reflector in a Sentence

safety devices such as bicycle reflectors

Reflectors are placed along the lanes of the highway.

Recent Examples on the Web

Put reflectors or cones in front of the car and keep an extra charger that plugs into the vehicle so your phone stays alive. — Hanna Wickes, Sacbee.com, 8 July 2026

Stay in the car or nearby shade, put reflectors or cones out in front of the vehicle, and keep an extra car charger handy so your phone doesn’t die before help arrives. — Hanna Wickes, Charlotte Observer, 8 July 2026

Zoox says those reflectors rotate color to clearly distinguish the robotaxi's front from its rear. — Kurt Knutsson, FOXNews.com, 3 July 2026

Outside the vehicle, Zoox enlarged and repositioned its bidirectional reflectors, which help passengers and others identify the vehicle's front and rear. — Anthony Thompson, USA Today, 25 June 2026

Word History

First Known Use

1665, in the meaning defined at sense 1

Rhymes for reflector

• bisector
• collector
• connector
• corrector
• defector
• deflector
• detector
• director
• dissector
• effector
• ejector
• elector

Kids Definition

reflector

noun

re·​flec·​tor ri-ˈflek-tər 

1

: one that reflects

especially : a polished surface for reflecting light or heat

2

: a telescope in which the principal light-gathering element is a mirror

Medical Definition

reflector

noun

re·​flec·​tor ri-ˈflek-tər 

: one that reflects

especially : a polished surface for reflecting light or other radiation