Scrabble Dictionary

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Radiation

ˌreɪdiˈeɪʃn

Radiation definitions

noun

Inflections:

radiation radiations

the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization

Synonyms:
discharge release outpouring outflow outrush leak excretion secretion ejection
- the energy transmitted by radiation
  
  "background radiation"
divergence out from a central point, in particular evolution from an ancestral animal or plant group into a variety of new forms

"evolution is a process of radiation not progression"