Definitions

1. noun

A type of barometer that measures atmospheric pressure using a mercury-free mechanism, typically consisting of a series of linked metal tubes that expand or contract in response to changes in pressure.

“The hikers used an aneroid barometer to gauge the altitude and plan their ascent.”

2. adjective

Relating to or resembling an aneroid barometer.

“The aneroid mechanism inside the watch allowed for precise timekeeping under varying atmospheric conditions.”