Meaning of diradiation | Babel Free

Definitions

The emission and diffusion of rays of light.

obsolete, uncountable

Examples

“ACTINOBOLISM, is the same with the Diffusion or Diradiation of Light or Sound, by which it's carried or flows every way from its Centre.”

“ACTINOBOLISM, from ακτιν, a sum beam, and βαλις, a plumb line, in physics, diffusion, or the diradiation of light or sound by which it flows every way from its centre.”

CEFR level