radiation

noun

/ˌreɪdiˈeɪʃn/

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[uncountable, countable] powerful and very dangerous rays that are sent out from radioactive substances
- high levels/doses of radiation that damage cells
- the link between exposure to radiation and childhood cancer
- a radiation leak from a nuclear power station
- radiation sickness
- the radiations emitted by radium
see also alpha radiation, gamma radiation
Extra Examples
- Nuclear testing has exposed millions of people to radiation.
- The counter showed high levels of radiation.
Topics Physics and chemistryb2
Oxford Collocations Dictionary
adjective
- background
- low-level
- damaging
- …
… of radiation
- dose
verb + radiation
- emit
- give off
- absorb
- …
radiation + verb
- leak
- leak out
radiation + noun
- sickness
- dose
- level
- …
preposition
- radiation from
phrases
- levels of radiation
See full entry
[uncountable] heat, energy, etc. that is sent out in the form of rays
- ultraviolet radiation
- electromagnetic radiation from power lines
- The ozone layer absorbs solar radiation.
Topics Physics and chemistryb2
Oxford Collocations Dictionary
adjective
- background
- low-level
- damaging
- …
… of radiation
- dose
verb + radiation
- emit
- give off
- absorb
- …
radiation + verb
- leak
- leak out
radiation + noun
- sickness
- dose
- level
- …
preposition
- radiation from
phrases
- levels of radiation
See full entry
(also radiation therapy)
[uncountable] the treatment of cancer and other diseases using radiation compare chemotherapy, radiotherapy
Oxford Collocations Dictionary
adjective
- background
- low-level
- damaging
- …
… of radiation
- dose
verb + radiation
- emit
- give off
- absorb
- …
radiation + verb
- leak
- leak out
radiation + noun
- sickness
- dose
- level
- …
preposition
- radiation from
phrases
- levels of radiation
See full entry

Word Originlate Middle English (denoting the action of sending out rays of light): from Latin radiatio(n-), from radiare ‘emit rays’, from radius ‘ray, spoke’.

单词	radiation
释义	radiation noun /ˌreɪdiˈeɪʃn/ /ˌreɪdiˈeɪʃn/ jump to other results [uncountable, countable] powerful and very dangerous rays that are sent out from radioactive substances high levels/doses of radiation that damage cells the link between exposure to radiation and childhood cancer a radiation leak from a nuclear power station radiation sickness the radiations emitted by radium see also alpha radiation, gamma radiation Extra Examples Nuclear testing has exposed millions of people to radiation. The counter showed high levels of radiation. Topics Physics and chemistryb2 Oxford Collocations Dictionaryadjective background low-level damaging … … of radiation dose verb + radiation emit give off absorb … radiation + verb leak leak out radiation + noun sickness dose level … preposition radiation from phrases levels of radiation See full entry [uncountable] heat, energy, etc. that is sent out in the form of rays ultraviolet radiation electromagnetic radiation from power lines The ozone layer absorbs solar radiation. Topics Physics and chemistryb2 Oxford Collocations Dictionaryadjective background low-level damaging … … of radiation dose verb + radiation emit give off absorb … radiation + verb leak leak out radiation + noun sickness dose level … preposition radiation from phrases levels of radiation See full entry (also radiation therapy) [uncountable] the treatment of cancer and other diseases using radiation compare chemotherapy, radiotherapy Oxford Collocations Dictionaryadjective background low-level damaging … … of radiation dose verb + radiation emit give off absorb … radiation + verb leak leak out radiation + noun sickness dose level … preposition radiation from phrases levels of radiation See full entry Word Originlate Middle English (denoting the action of sending out rays of light): from Latin radiatio(n-), from radiare ‘emit rays’, from radius ‘ray, spoke’.
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