Radiation Meaning
/ˌɹeɪ.diˈeɪ.ʃən/Definition, CEFR level B1, pronunciation, examples, and quiz.
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Definition
nounThe shooting forth of anything from a point or surface, like diverging rays of light.
nounThe shooting forth of anything from a point or surface, like diverging rays of light., Ellipsis of electromagnetic radiation.
Sentence Examples
After being exposed to a large amount of radiation, vomiting and diarrhea will start quickly.
It's evident that human behaviour is more dangerous for the environment than radiation.
Workers wore protective suits to shield themselves from the dangerous radiation.
CEFR Practice Quiz
Nuclei emit harmful ____ during the process of nuclear decay.
CEFR Practice Quiz (Alternate)
Workers at the nuclear plant wore protective suits to shield themselves from harmful ____.
Word Origin & History
Borrowed from Latin radiatio, radiationis. By surface analysis, radiate + -ion.
Literary Quotations & Historical Citations
"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"
— 1986, "Weird Al" Yankovic, “Christmas at Ground Zero”, in Polka Party!:
"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?"
— 2014, Elizabeth Kolbert, chapter 8, in The Sixth Extinction: An Unnatural History, Henry Holt and Company:
"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)."
— 2016, Donald R. Prothero, The Princeton Field Guide to Prehistoric Mammals, page 136:
Explore More B1 Vocabulary Words
CEFR Practice Quiz
Nuclei emit harmful ____ during the process of nuclear decay.
CEFR Practice Quiz (Alternate)
Workers at the nuclear plant wore protective suits to shield themselves from harmful ____.