EMITTANCE
Meaning of EMITTANCE in English
/i mit"ns/ , n. Optics.
the total flux emitted per unit area. Cf. luminous emittance, radiant emittance .
[ 1935-40; EMIT + -ANCE ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012