- IPA(key): /ˌɹeɪ.di.ˈeɪ.ʃən/
Audio (Berkshire) (file)
- (some US dialects) IPA(key): /ɹaɪ.di.ˈaɪ.ʃən/
- (some Ghanaian speakers) IPA(key): /ɹæ.di.ˈeɪ.ʃən/
- The shooting forth of anything from a point or surface, like diverging rays of light.
- heat radiation
- The process of radiating waves or particles.
- The transfer of energy via radiation.
- Radioactive energy.
- (evolutionary theory, countable) A rapid diversification of an ancestral species into many new forms.
- 2014, Elizabeth Kolbert, chapter 8, in The Sixth Extinction: An Unnatural History, Henry Holt and Company:
- So the question is: have plants and animals retained over this huge amount of time—whole radiations of mammals have come and gone in this period—have they retained these potentially costly characteristics?
- 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).
shooting forth of anything from a point or surface
process of radiating waves or particles
transfer of energy via radiation
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
radiation f (plural radiations)
- radiation (all meanings)