
Altimeter
Technical Term
An altimeter is technical jargon often used in aviation, mountaineering, and meteorology.

The mountaineer used his altimeter to measure the summit's height.
Precision Critical
Accuracy is vital when using an altimeter as errors can affect safety in activities such as flying.

Before takeoff, the pilot calibrated the altimeter for accuracy.
Context Sensitive
Altimeter readings vary with atmospheric pressure; understanding context is essential.

The skydiver adjusted his altimeter to the local air pressure before jumping.
Compare with
Barometer
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