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atmospheric pressure
[ at-muhs-fer-ik presh-er, -feer- ]
noun
- the pressure exerted by the earth's atmosphere at any given point, being the product of the mass of the atmospheric column of the unit area above the given point and of the gravitational acceleration at the given point.
- a value of standard or normal atmospheric pressure, equivalent to the pressure exerted by a column of mercury 29.92 inches (760 millimeters) high, or 1013 millibars (101.3 kilopascals).
atmospheric pressure
noun
- the pressure exerted by the atmosphere at the earth's surface. It has an average value of 1 atmosphere
atmospheric pressure
/ ăt′mə-sfîr′ĭk /
- The pressure at any location on the Earth, caused by the weight of the column of air above it. At sea level, atmospheric pressure has an average value of one atmosphere and gradually decreases as altitude increases.
- Also called barometric pressure
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Notes
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Word History and Origins
Origin of atmospheric pressure1
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A Closer Look
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Example Sentences
But hour after hour of breathy and uninterrupted coverage inevitably creates, shall we say, its own kind of atmospheric pressure.
In these whirlings great differences in atmospheric pressure are brought about in contiguous areas of sea.
When, with returning fair weather, the atmospheric pressure increases, the water can no longer bulge or drop out of the bulb.
The constants for gaseous elements represent the constants of the gases under atmospheric pressure.
KIon refers to the concentration of HO, with which oxygen under atmospheric pressure would be directly in equilibrium, at 18.
His flask is an apparatus contrived to illustrate atmospheric pressure and ensure a constant flow of liquid.
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