Definition of "greybody" [greybody]

• Alternative spelling of graybody. (noun)

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• "You will usually see the term 'greybody' in a somewhat different context, describing bulk materials with optical properties that are invarient with respect to wavelength, as opposed to redbody, bluebody, etc."
• "My introduction of 'greybody' was a bit clumsy - although different from its normal usage,"
• "Guthrie, Earth's surface is a blackbody, it's the gas atmosphere that is a greybody."