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Temperature

Temperature is the physical property of a system which underlies the common notions of "hot" and "cold"; the material with the higher temperature is said to be hotter.

Physically, temperature is a measure of the random agitation of matter and ambient photons, under the effect of thermal fluctuations.

Note: This article excerpts material from the Wikipedia article "Temperature", which is released under the GNU Free Documentation License.

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last updated on 2014-07-23 at 2:22 pm EDT

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