radiation

Definitions

1. The shooting forth of anything from a point or surface, like diverging rays of light
2. The shooting forth of anything from a point or surface, like diverging rays of light.
   countable, uncountable
3. radiotherapy.
4. Ellipsis of electromagnetic radiation
5. Ellipsis of electromagnetic radiation.
   abbreviation, alt-of, countable, ellipsis, often, uncountable
6. the record produced by a bolometer.
7. The process of radiating waves or particles
8. The process of radiating waves or particles.
   countable, uncountable
9. a device used in bolometry.
10. The transfer of energy via radiation
11. The transfer of energy via radiation.
    countable, uncountable
12. the measurement of minute amounts of radiant energy, especially infrared spectra. — bolometrist, n. — bolometric, adj.
13. Radioactive energy
14. Radioactive energy.
    countable, uncountable
15. radioscopy.
16. A rapid diversification of an ancestral species into many new forms.
    countable
17. the capacity to transmit infrared radiation. — diathermanous, adj.
18. a device, carried or worn by people working near radiation for measuring the amount of radiation to which they are exposed.
19. the measurement by a dosimeter of the dosage of radiation a person might have received. See also drugs. — dosimetrist, n. — dosimetric, dosimetrical adj.
20. an instrument for measuring the emission of radiation in the form of visible light and identifying the substance that is its source. — fluorometric, adj.
21. the measurement of fluorescence, or visible radiation, by means of a fluorometer. — fluorometric, adj.

Equivalents

Examples

“The radiation of love⟳ from the crowd was addictive to the young singer-songwriters.”

“heat radiation”

“It's Christmas at ground zero / And if the radiation level's OK / I'll go out with you / To see⟳ all the new / Mutations on New Year's Day”

“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?”

“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).”

CEFR level