radiation

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English[edit]

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Etymology[edit]

From Latin radiatio.

Pronunciation[edit]

  • IPA(key): /ˌɹeɪ.di.ˈeɪ.ʃən/
  • (some US dialects) IPA(key): /ɹaɪ.di.ˈaɪ.ʃən/

Noun[edit]

radiation (countable and uncountable, plural radiations)

  1. The shooting forth of anything from a point or surface, like diverging rays of light.
    heat radiation
    • 2016, Donald R. Prothero, The Princeton Field Guide to Prehistoric Mammals (page 136)
      The second [canid group] is the radiation of dogs in South America that began when the first canids arrived about 3 Ma, after crossing the Panama land bridge (Fig. 5.4).
  2. The process of radiating waves or particles.
  3. The transfer of energy via radiation (as opposed to convection or conduction).
  4. Radioactive energy.

Derived terms[edit]

Translations[edit]

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.

Anagrams[edit]


French[edit]

Etymology[edit]

Latin radiatio

Pronunciation[edit]

Noun[edit]

radiation f (plural radiations)

  1. radiation (all meaning)

Further reading[edit]