Definition

1. Noun:
   • Ventilation opening, vent: A small opening or aperture in a wall, ceiling, or other structure designed to allow air to circulate, providing ventilation to a space.
   • Air vent, louver: Often refers to a grille or slatted cover over such an opening, which allows air to pass while blocking direct sight or large objects.

Usage Examples

• Noun:
  • Căn phòng này rất nóng vì không có cửa thông hơi. (This room is very hot because it has no ventilation opening.)
  • Hãy mở cửa thông hơi trong nhà bếp để khói bay ra ngoài. (Open the air vent in the kitchen to let the smoke out.)
  • Cửa thông hơi trên tường đã bị bụi bám kín. (The vent on the wall was completely clogged with dust.)

Advanced Usage

• Technical/Architectural Context: In technical specifications or architectural plans, "cửa thông hơi" precisely denotes a designed opening for passive or active air exchange.
  • Thiết kế phải đảm bảo có đủ diện tích cửa thông hơi. (The design must ensure sufficient vent area.)

Variants and Related Words

• Ống thông gió / Ống thông hơi (n): Ventilation duct; a pipe or channel for air circulation.
• Quạt thông gió (n): Exhaust fan; a mechanical device for moving air.
• Lỗ thông hơi (n): Vent hole; a simpler, often smaller opening.

Synonyms

• Lỗ thông gió: Ventilation hole.
• Miệng thông gió: Air outlet/vent (more technical).

Related Phrases

• Lắp đặt cửa thông hơi: To install a vent.
• Vệ sinh cửa thông hơi: To clean the vent.

Related Idioms

(This term is technical and functional, so it does not commonly appear in idiomatic expressions.)