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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. How Is Barometric Pressure Measured and Why? - HowStuffWorks

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

  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. How Barometers Measure Air Pressure - ThoughtCo

    May 7, 2025 · A barometer is a widely used weather instrument that measures atmospheric pressure (also known as air pressure or barometric pressure) -- the weight of the air in the atmosphere. It is …

  6. 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.

  7. How do barometers work? - Explain that Stuff

    Jul 3, 2022 · Instruments that measure air pressure are called barometers and people have been using them for weather forecasting and scientific research for hundreds of years. Let's take a closer look at …

  8. 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.

  9. What is a Barometer? How It Measures Pressure

    Learn what a barometer is, how it measures atmospheric pressure, its history, types (mercury, aneroid), and common uses like altitude measurement.

  10. 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.