
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
Nov 12, 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 …
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 …
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.
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 …
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 …