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  1. 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 most …

  2. 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 be used to measure …

  3. 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 storms. High …

  4. What Is A Barometer, How It Works, Where To Place It & Different …

    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 with other …

  5. 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.

  6. 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.

  7. 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 calculations.

  8. What Does a Barometer Measure and How Does It Work? Complete …

    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 pressure plays a …

  9. 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 changes in …

  10. 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 mercury. …