B1nounsciencehealth
US/ˌreɪ.diˈeɪ.ʃən/
UK/ˌreɪ.diˈeɪ.ʃən/
energy that travels as invisible waves or particles, from things like the sun, X-rays or nuclear material
In context
Too much radiation from the sun can damage your skin, so wear sunscreen at the beach.
After the nuclear accident, people living nearby were tested for radiation exposure.
My aunt had radiation treatment for six weeks after her cancer surgery.
Words that go with radiation
noun + noun
- radiation exposurePilots face more radiation exposure than most office workers.
- radiation therapyRadiation therapy is often used together with surgery.
noun + preposition
- high levels of radiationScientists found high levels of radiation near the old plant.
adjective + noun
- ultraviolet radiationUltraviolet radiation is strongest around midday.
adjective + preposition
- exposed to radiationWorkers who were exposed to radiation must have regular check-ups.
Common mistakes
Incorrect:
The phone gives out many radiations.Correct: The phone gives out a lot of radiation.