radiation

Meaning

  1. (countable, uncountable) The shooting forth of anything from a point or surface, like diverging rays of light.
  2. (abbreviation, alt-of, countable, ellipsis, often, uncountable) The shooting forth of anything from a point or surface, like diverging rays of light.
  3. (countable, uncountable) The process of radiating waves or particles.
  4. (countable, uncountable) The transfer of energy via radiation.
  5. (countable, uncountable) Radioactive energy.
  6. (countable) A rapid diversification of an ancestral species into many new forms.

Frequency

B2
Pronounced as (IPA)
/ˌɹeɪ.di.ˈeɪ.ʃən/
Etymology

Borrowed from Latin radiatio, radiationis. By surface analysis, radiate + -ion.

Notes

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