窿 (lóng) - Hole, cavity, hollow & specifically refers to an opening, tunnel, or depression

窿Tone 2

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窿 · lóng

Hole, cavity, hollow;

specifically refers to an opening, tunnel, or depression in a surface or object.

Hole, cavity, hollowspecifically refers to an opening, tunnel, or depression

Usage highlights

Cave/holeTunnelNasal cavityEye socketMine tunnelPit

Synonyms

  • 洞— hole, cave
  • 孔— opening, aperture
  • 穴— cave, den

Antonyms

  • 实— solid, filled
  • 满— full, complete

Usage & contexts

Examples

  • The miners dug a tunnel (窿洞) through the mountain.
  • There is a cavity (窟窿) in the tooth that needs filling.
  • The mouse disappeared into a hole (窿) in the wall.
  • The nasal cavity (鼻腔窿) is part of the respiratory system.

Collocations

  • Cave/hole(窟窿)
  • Tunnel(窿洞)
  • Nasal cavity(鼻腔窿)
  • Eye socket(眼眶窿)
  • Mine tunnel(矿井窿)
  • Pit(窿坑)

Idioms

  • Full of holes and cavities(窟窿窿窿)
  • Patch up holes and gaps(补窿塞隙)
  • A bottomless pit(无底窿)

Cultural background

FAQ
  • Often used in mining and geological contexts to describe tunnels and excavations.
  • Commonly appears in medical terminology referring to body cavities.
  • In folk language, used to describe various types of holes and openings in everyday objects.

FAQ