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Medical Dictionary


noun emis·siv·i·ty \ˌem-ə-ˈsiv-ət-ē, ˌē-ˌmis-ˈiv-\
plural emis·siv·i·ties

Medical Definition of EMISSIVITY

:  the relative power of a surface to emit heat by radiation :  the ratio of the radiant energy emitted by a surface to that emitted by a blackbody at the same temperature


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