Emissivity
[em-uh-siv-i-tee, ee-muh-] /ˌɛm əˈsɪv ɪ ti, ˈi mə-/
noun, Thermodynamics.
1.
the ability of a surface to emit radiant energy compared to that of a black body at the same temperature and with the same area.
/ɪmɪˈsɪvɪtɪ; ˌɛm-/
noun
1.
a measure of the ability of a surface to radiate energy; the ratio of the radiant flux emitted per unit area to that emitted by a black body at the same temperature ε
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[ih-mit] /ɪˈmɪt/ verb (used with object), emitted, emitting. 1. to send forth (liquid, light, heat, sound, particles, etc.); discharge. 2. to give forth or release (a sound): He emitted one shrill cry and then was silent. 3. to utter or voice, as opinions. 4. to issue, as an order or a decree. 5. to issue […]
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[ih-mit] /ɪˈmɪt/ verb (used with object), emitted, emitting. 1. to send forth (liquid, light, heat, sound, particles, etc.); discharge. 2. to give forth or release (a sound): He emitted one shrill cry and then was silent. 3. to utter or voice, as opinions. 4. to issue, as an order or a decree. 5. to issue […]
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[ih-mit-ns] /ɪˈmɪt ns/ noun, Optics. 1. the total flux per unit area.
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