exitance

(physics) Flux (of radiation).

Japanese Meaning

放射束 / 放射出射量

The exitance of the surface increases with temperature, following the Stefan–Boltzmann law.

表面の放射束は温度とともに増加し、ステファン＝ボルツマンの法則に従います。

Sense（1）

(physics) Flux (of radiation).

The entire east sky provided an equivalent exitance of 19 kilolumens per square meter (Method 1) […]

exitances

（ plural ）