Chinese edit

 
emptied; leisure; air
emptied; leisure; air; sky; empty; in vain
hole; cave
trad. (空穴)
simp. #(空穴)

Pronunciation edit


Noun edit

空穴

  1. cavity; hole
  2. empty house
  3. (electronics) (positive) hole; cavity
  4. (physics, Mainland China) electron hole
    Synonym: 電洞电洞 (diàndòng) (Hong Kong, Taiwan)

Synonyms edit

  • (cavity):