variometer
Noun
Meaning
An instrument used to measure variations in a magnetic field.
(aviation) A rate-of-climb indicator.
Synonym: (informal) vario
Synonyms
Hypernyms
Related terms
Examples
Also, nearly every glider contains an instrument known as a variometer (a very sensitive vertical speed indicator) which shows visually (and often audibly) the presence of lift and sink.
The variometer indicates climb rate or sink rate with audio signals (beeps) and/or a visual display.
A variometer is a very sensitive vertical speed indicator.