Meanings
- obsoleteuncountableThe emission and diffusion of rays of light.
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.
1725, John Harris, Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences1 more example
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.
1829, London Encyclopaedia; Or, Universal Dictionary of Science
Origin
- Latindīradiō“to arrange in rays”
- Englishdiradiation
From Latin dīradiō (“to arrange in rays”), from dis- + radius.
More words from Latin
Full word history & related roots →Cite this entry
diradiation. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/diradiation
“diradiation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diradiation. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “diradiation,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/diradiation.
Source: diradiation on Wiktionary, CC BY-SA 4.0.