windows

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun (trademark) an operating system with a graphical user interface
  2. noun a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air
  3. noun a transparent opening in a vehicle that allow vision out of the sides or back; usually is capable of being opened

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