دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a barometer consisting of a flexible, spring-filled metal cell from which air has been removed and a mechanism that registers. See barograph.

n: an aneroid barometer that continuously records atmospheric pressure values on a graph or chart.

n: an instrument for measuring atmospheric pressure. See aneroid barometer, mercury barometer.