radiation

English Online Dictionary. What means radiation‎? What does radiation mean?

English

Etymology

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

Pronunciation

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

Noun

radiation (countable and uncountable, plural radiations)

1. The shooting forth of anything from a point or surface, like diverging rays of light.

2. The process of radiating waves or particles.
3. The transfer of energy via radiation.

   Coordinate terms: convection, conduction

4. Radioactive energy.
5. (evolutionary theory, countable) A rapid diversification of an ancestral species into many new forms.

Derived terms

Related terms

• radiate

Translations

See also

• nucleomitophobia

Anagrams

• antiradio

French

Etymology

Borrowed from Latin radiātiōnem.

Pronunciation

• IPA^(key): /ʁa.dja.sjɔ̃/

Noun

radiation f (plural radiations)

1. radiation (all meanings)

Derived terms

• ceinture de radiations de Van Allen

Related terms

• radier

Descendants

• → Romanian: radiație
• → Turkish: radyasyon

Further reading

• “radiation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.