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barometer - 8 dictionary results
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ba⋅rom⋅e⋅ter
[buh-rom-i-ter] 
ɪ
–noun
| 1. | Meteorology. any instrument that measures atmospheric pressure. Compare aneroid barometer, mercury barometer. |
| 2. | anything that indicates changes. |
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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|
Link To barometer
| ba·rom·e·ter (bə-rŏm'ĭ-tər) n.
|
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Barometer
Ba*rom"e*ter\, n. [Gr. ? weight + -meter: cf. F. barom[`e]tre.] An instrument for determining the weight or pressure of the atmosphere, and hence for judging of the probable changes of weather, or for ascertaining the height of any ascent. Note: The barometer was invented by Torricelli at Florence about 1643. It is made in its simplest form by filling a graduated glass tube about 34 inches long with mercury and inverting it in a cup containing mercury. The column of mercury in the tube descends until balanced by the weight of the atmosphere, and its rise or fall under varying conditions is a measure of the change in the atmospheric pressure. At the sea level its ordinary height is about 30 inches (760 millimeters). See Sympiesometer. --Nichol. Aneroid barometer. See Aneroid barometer, under Aneroid. Marine barometer, a barometer with tube contracted at bottom to prevent rapid oscillations of the mercury, and suspended in gimbals from an arm or support on shipboard. Mountain barometer, a portable mercurial barometer with tripod support, and long scale, for measuring heights. Siphon barometer, a barometer having a tube bent like a hook with the longer leg closed at the top. The height of the mercury in the longer leg shows the pressure of the atmosphere. Wheel barometer, a barometer with recurved tube, and a float, from which a cord passes over a pulley and moves an index.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : barometer
Spanish:
barómetro,
German:
das Barometer,
Japanese:
気圧計
barometer
An instrument that measures atmospheric pressure.
Note: In general, when the barometer falls in response to a drop in pressure, bad weather is approaching; when the barometer rises because of an increase in pressure, good weather will follow.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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barometer
1665, from Gk. baros "weight" + metron "measure" (see meter (2)). Probably coined (and certainly popularized) by English scientist Robert Boyle (1627-1691).
Online Etymology Dictionary, © 2001 Douglas Harper
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Barometer
An investment instrument whose movements forecast trends.
Investopedia Commentary
For example, a barometer stock has a price trend that is indicative of the market. And, the stock market as a whole is said to be a barometer because it can be used to forecast the growth or slowdown in the economy.
Related Links
Economic Indicators to Know
Cyclical Versus Non-Cyclical Stocks
See also: Bellwether, Coincident Indicator, Cyclical Stock, Indicator, January Barometer, Leading Indicator, Trend
Investopedia.com. Copyright © 1999-2005 - All rights reserved. Owned and Operated by Investopedia Inc.
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barometer
- An indicator of fluctuations. For example, the S&P 500 is a barometer for stock market movements. Likewise, long-term interest rates are a barometer of inflationary expectations.
Wall Street Words: An A to Z Guide to Investment Terms by David L. Scott.
Copyright © 2003. Published by Houghton Mifflin.
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Copyright © 2003. Published by Houghton Mifflin.
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| barometer (bə-rŏm'ĭ-tər) Pronunciation Key
An instrument for measuring atmospheric pressure. Barometers are used in determining height above sea level and in forecasting the weather. The two primary types of barometers are the aneroid and the mercury barometer. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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