空くう力りきブレーキ

noun

air brake; speedbrake

A device on an aircraft or vehicle that uses air resistance to reduce speed. In aviation, often a panel that extends from the wing or fuselage.

• 着ちゃく陸りく時じにパイロットは空くう力りきブレーキを作さ動どうさせた。

  The pilot deployed the air brake during landing.

noun

aerobraking; aerobrake

A spaceflight maneuver that uses a planet's atmosphere to slow a spacecraft. Distinct from the mechanical air brake on aircraft.

• 火か星せい探たん査さ機きは空くう力りきブレーキを使つかって軌き道どうに入はいった。

  The Mars probe used aerobraking to enter orbit.