WebBritannica Dictionary definition of BAROMETER. [count] 1. : an instrument that is used to measure air pressure and predict changes in the weather. 2. : something that is used to indicate or predict something. The test is used as a barometer [= standard] to measure a student's reading level. Economists see housing prices as a barometer for ...

WebApr 25, 2022 · Barometers are data points that represent trends in the market or the general economy. The Standard & Poor's 500 Index and the Dow Jones Industrial Average (DJIA) serve as barometers of stock ...

WebBarometer and thermometer on an oak board glued with burr walnut. At the top, the sign has a cut-out copper scale plate of the barometer, including such a plate for the thermometer, which can be slid up between two profiled frames with the alcohol tube. Around the mercury tray at the bottom is a sliding cupboard, crowned with a rocaille …

Webbarometer means an instrument used in various applications to measure atmospheric pressure .Definitions. The definitions in § 721.3 apply to this section. In addition, the following definitions apply:Flo meter means an instrument used in various applications to measure the flow rate of liquids or gases .Hygrometer means an instrument used in ...

WebAug 19, 2005 · A PSAT, for example, acts as a barometer for how well you will do in the actual SAT. Noun - Actually a devise for measuring pressure. Is commonly used by adults esp. teachers/coaches as any kind of obscure measurement.

Weban instrument for measuring atmospheric pressure, esp. an aneroid barometer or an evacuated and graduated glass tube (mercury barometer) in which a column of mercury rises or falls as the pressure of the atmosphere increases or decreases: barometers are used in forecasting changes in the weather or finding height above sea level

WebFeb 19, 2022 · What does BAROMETER define? An endless number of English words, just like BAROMETER, all with their respective meanings and descriptions, are posted day by day in all the states of the English-speaking sphere.

Webbarometer meaning: 1. a device that measures air pressure and shows when the weather is likely to change 2. something…. Learn more.

Webbarometer: 1 n an instrument that measures atmospheric pressure Types: show 4 types... hide 4 types... aneroid , aneroid barometer a barometer that measures pressure without using fluids barograph a recording barometer; automatically records on paper the variations in atmospheric pressure mercury barometer barometer that shows pressure by the ...

WebApr 24, 2017 · By David Green. Barometric pressure is the measure of air pressure in a given area. Air pressure is the weight of air pressing down on the oceans, land and surface of the earth and is measured with a barometer. These measurements are affected by air density, which changes based on temperature, and height above the Earth's surface.