Reference Terms
from Wikipedia, the free encyclopedia

Boiling

Boiling is the rapid vaporization of a liquid, which typically occurs when a liquid is heated to a temperature such that its vapor pressure is above that of the surroundings, such as air pressure.

Thus, a liquid may also boil when the pressure of the surrounding atmosphere is sufficiently reduced, such as the use of a vacuum pump or at high altitudes

Note:   The above text is excerpted from the Wikipedia article "Boiling", which has been released under the GNU Free Documentation License.
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August 29, 2015

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