Emissivity

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. The ratio of the radiation emitted by a surface to the radiation emitted by a blackbody at the same temperature.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. The energy-emitting propensity of a surface, usually measured at a specific wavelength.
    • the GNU version of the Collaborative International Dictionary of English
  • n. Tendency to emission; comparative facility of emission, or rate at which emission takes place
    • The Century Dictionary and Cyclopedia
  • n. Emissive or radiating power.
  • n. Specifically A physical constant by means of which the power of radiation of a body is quantitatively expressed.
    • Word Usage
    "The amount of blackbody energy emitted is strictly and solely a function of the thermal temperature of the substance, mitigated by the characteristic of the substance called emissivity (which can, as you say, by frequency dependent)."
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