reflector

• Nom désignant un dispositif ou une surface qui réfléchit un rayonnement tel que la lumière, le son ou la chaleur, ou un télescope optique utilisant un miroir concave pour former une image.

A noun referring to a device or surface that reflects radiation, such as light, sound, or heat, or an optical telescope that uses a concave mirror to produce an image.

1. Device that reflects radiationB2formalscientific

   A surface or device that redirects light, heat, or sound waves back toward their source or in a specific direction.

   Réflecteur

   • The bicycle has a red reflector on the back for safety.
   • Solar panels often use reflectors to concentrate sunlight.
   • The reflector on the lighthouse helps ships navigate at night.

   Synonymesmirror

2. Reflecting telescopeC1formalscientific

   An optical telescope that uses a large concave mirror to gather and focus light, producing an image that is magnified by an eyepiece.

   Télescope à réflexion

   • The astronomer used a reflector to observe distant galaxies.
   • Reflectors are preferred for deep-sky observations due to their light-gathering power.
   • The design of the reflector telescope was pioneered by Isaac Newton.

   Synonymesreflecting telescope