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triple point
noun
- the particular temperature and pressure at which the solid, liquid, and gaseous phases of a given substance are all at equilibrium with one another.
triple point
noun
- chem the temperature and pressure at which the three phases of a substance are in equilibrium. The triple point of water, 273.16 K at a pressure of 611.2 Pa, is the basis of the definition of the kelvin
triple point
- The temperature and pressure at which a substance can exist in equilibrium in the liquid, solid, and gaseous states. The triple point of pure water is at 0.01°C (273.16K, 32.01°F) and 4.58 mm (611.2Pa) of mercury and is used to calibrate thermometers.
- Compare critical point
triple point
- In physics , the temperature at which all three phases of matter ( solid , liquid , and gas ) for a given substance can coexist.
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Notes
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Word History and Origins
Origin of triple point1
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Example Sentences
The limiting temperature for these two cases, at which the division into three phases may occur, is called the triple point.
It is possible, too, that long before the triple point is reached the whole liquid will have evaporated.
Its shape is so regularly three-cornered, that Triangle or Triple-point (Trinacria) was one of its ancient names.
We shall, in the first place, consider only the triple point S-L-V.
As to the general arrangement of the three univariant curves around the triple point, the following rules may be given.
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