The meaning of BAROMETER is an instrument for determining the pressure of the atmosphere and hence for assisting in forecasting weather and for determining altitude.

When atmospheric pressure is measured by a barometer, the pressure is also referred to as the "barometric pressure". Assume a barometer with a cross-sectional area A, a height h, filled …

Dec 15, 2025 · A barometer is a device used to measure atmospheric pressure. Because atmospheric pressure changes with distance above or below sea level, a barometer can also …

Add to word list earth science a device that measures air pressure which shows when the weather is likely to change (Definition of barometer from the Cambridge Academic Content Dictionary …

Oct 24, 2023 · A barometer is a tool used to measure atmospheric pressure, also called barometric pressure.

BAROMETER definition: any instrument that measures atmospheric pressure. See examples of barometer used in a sentence.

Feb 27, 2024 · A barometer is a scientific instrument designed to measure barometric pressure. Barometers as we know them date back to 1643 when the Italian inventor Evangelista …

A barometer is an instrument that measures air pressure and shows when the weather is changing. A man in camp took a barometer reading at half-hour intervals.

Jul 23, 2025 · A barometer is a scientific device that indicates air pressure. It is used for monitoring atmospheric pressure, commonly used for weather forecasting and altitude …

Definition of barometer noun from the Oxford Advanced Learner's Dictionary. an instrument for measuring air pressure to show when the weather will change. The barometer is falling (= …