English Dictionary

artificial horizon

noun

(aviation) An instrument that displays the pitch and roll of an aircraft in flight by comparing its attitude to a gyroscopically-maintained indication of the flat horizon line.

The pilot relied on the artificial horizon to maintain the aircraft's level flight.

意味（1）

(aviation) An instrument that displays the pitch and roll of an aircraft in flight by comparing its attitude to a gyroscopically-maintained indication of the flat horizon line.

意味（2）

(obsolete) A small trough containing mercury, the surface of which shows a reflection of the celestial bodies.