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| coefficient |
in the physical sciences, a number that is constant for a system under fixed conditions. [1/2 definitions] |
| diffuse |
in the physical sciences, to flow toward regions of lower concentration. [1/9 definitions] |
| natural philosophy |
see "physical science." [1/2 definitions] |
| photonics |
the branch of physical science that deals with the properties and applications of light, esp. as a medium for transmitting information. |
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