全天候

quántiānhòu
all-weather

CEDICT

  1. (attributive) 24-hour; all the time
  2. (attributive) all-weather
  3. 24-hour; all the time
  4. all-weather

Wiktionary

不受任何條件限制，能二十四小時使用，稱為「全天候」。

重編國語辭典

Entry Composition

1 全天 quántiān whole day
2 候 hòu
  1. to wait
  2. to inquire after
  3. to watch
  4. season
  5. climate
  6. (old) period of five days