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Reference Terms
from Wikipedia, the free encyclopedia


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:   The above text is excerpted from the Wikipedia article "Temperature", which has been released under the GNU Free Documentation License.
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Matter & Energy News
February 25, 2017

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updated 12:56 pm ET