/
ɪˈmɪʃ(ə)n/
n.
the action of emitting something, especially heat, light, gas, or radiation.
▸a substance which is emitted.
Derivative
- emissive adj.
- emissivity n.
Etymology
ME (in the sense ‘emanation’): from L. emissio(n-), from emiss-, emittere (see emit).
