emittance Definition
the rate at which electromagnetic radiation is emitted by a surface.
Using emittance: Examples
Take a moment to familiarize yourself with how "emittance" can be used in various situations through the following examples!
Example
The emittance of the sun's surface is very high.
Example
The emittance of a blackbody is equal to its absorptance.
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Summary: emittance in Brief
'Emittance' [ɪˈmɪtəns] is a noun that refers to the rate at which electromagnetic radiation is emitted by a surface. It is commonly used in physics and engineering, and can be seen in phrases like 'The emittance of the sun's surface is very high.' and 'The emittance of a blackbody is equal to its absorptance.'
