reflector

• 指反射光、声、热等辐射的装置或表面；也指利用凹面镜成像的反射式望远镜。

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.

   反射器

   • 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.

   同义词mirror

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.

   反射望远镜

   • 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.

   同义词reflecting telescope