top light

The term "top light" varies across fields such as architecture, maritime navigation, and traffic signaling, each with unique applications and meanings.

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Definition

B2Architecture

(technical)The upper part of a window, often hinged at the top, or any glazing above a main window, partition, or door.

Example

  • The top light of the window allows additional sunlight into the room.
  • Architects often include a top light to enhance natural lighting.

C1Nautical

(technical)A light at the highest point of a ship used for signaling or aiding visibility.

Example

  • The ship's top light was visible from miles away.
  • Top lights are crucial for navigation during nighttime voyages.

B2Traffic

(technical)A blinking white light on top of a traffic signal to alert emergency responders that the light has been triggered to turn green.

Example

  • The ambulance activated the top light, ensuring a green light at the intersection.
  • Top lights help emergency vehicles navigate through traffic quickly.

Similar

Terms that have similar or relatively close meanings to "top light":

light offdark lightlight downroof lightrange lightyellow lightblue lightfirst lightred lightleading lightlight engineeringgreen lightwhite lightbright lightsnatural lightblack lightbad lightelectric lighthard lightlight bulbneon lightsea lighttraffic lightlight uplight globelight elfamber lightsee the lightguiding lightlight sectordummy lightbrake lightlight portertop linelit uplight waterdry lighton toppower top