rate-of-climb indicator

American  

[reyt-uhv-klahym] / ˈreɪt əvˈklaɪm /

noun

Aeronautics.

1. a flight instrument that indicates the rate of climb or descent of an aircraft.

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Etymology

Origin of rate-of-climb indicator

First recorded in 1945–50

Example Sentences

The airspeed indicator froze, and the rate-of-climb indicator stuck at 5 ft. per second.

From Time Magazine Archive

In addition to radio, both for beacon reception and conversation, the United Air Lines plane was equipped with rate-of-climb indicator, artificial horizon and directional gyro, helpful instruments which the Navy planes lacked.

From Time Magazine Archive