
Barometer - Wikipedia
Many measurements of air pressure are used within surface weather analysis to help find surface troughs, pressure systems and frontal boundaries. Barometers and pressure altimeters (the …
Barometer | Definition, Types, Units, & Facts | Britannica
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 …
Learn How to Read a Barometer - ThoughtCo
May 6, 2025 · A barometer measures air pressure and can help predict changes in the weather. Rising barometer readings mean fair weather, while falling readings often indicate rain or …
What Is A Barometer, How It Works, Where To Place It
Jun 27, 2025 · A barometer is defined as a meteorological instrument used to measure air pressure in the atmosphere. It forms a crucial part of any weather station and is primarily used …
BAROMETER Definition & Meaning - Merriam-Webster
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.
Barometer - National Geographic Society
Oct 24, 2023 · A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. The atmosphere is the layers of air wrapped around Earth.
Barometer - GeeksforGeeks
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 …
What Does a Barometer Measure and How Does It Work?
Jul 30, 2025 · Barometers are essential scientific instruments used to measure air pressure, which is the force exerted by the atmosphere on objects at or near the Earth’s surface. Air …
Barometer: What is it, what is it for, how it works and types
Mar 6, 2025 · A barometer is a instrument used to measure atmospheric pressure which is the weight that air exerts on the surface of the earth. This device is key in meteorology, since …
How to Read a Liquid Barometer for Accurate Results
A liquid barometer, typically a mercury barometer, is a fundamental instrument for measuring atmospheric pressure. This device uses the weight of the air column to support a column of …