Antonyms
Synonyms
Etymology

2. radiation

noun. ['ˌreɪdiːˈeɪʃən'] the act of spreading outward from a central source.

Etymology

  • radiation (English)
  • radiatio (Latin)

3. radiation

noun. ['ˌreɪdiːˈeɪʃən'] the spread of a group of organisms into new habitats.

Etymology

  • radiation (English)
  • radiatio (Latin)
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