1.
airspace
A designated region of the sky, especially as controlled or restricted for aviation, defense, or air-traffic purposes.
軍の訓練空域に入ってはいけない。
You must not enter the military training airspace.
その国は自国の空域を厳しく守っている。
That country strictly guards its own airspace.
管制官は混雑した空域で航空機を安全に誘導する。
Controllers safely guide aircraft through congested airspace.
A somewhat formal or technical term used in aviation, defense, and news reporting.
COMMON COLLOCATIONS:
- 空域に入る: to enter an airspace
- 空域を侵犯する: to violate airspace
- 訓練空域: training airspace
SIMILAR WORDS:
- 領空: territorial airspace — specifically the airspace over a nation's territory