chemistrya form of energy produced during a nuclear reaction that is used for making electrical power but can also kill or harm humans who receive too much of it
There is a clearlink between exposure to radiation and some forms of cancer.
Some workers at the powerstation were exposed to highlevels of radiation.
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
Synonyms and related words
Nuclear power
atomic energy
cold fusion
core
1a
only before nounconsisting of radiation, or caused by radiation
a radiation leak
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
2
physicsa type of energy that is sent out in the form of electromagnetic waves, for example, heat, light, or radio waves
ultraviolet radiation from the sun
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
radiation
noun uncountable
US /ˌreɪdiˈeɪʃ(ə)n/
Other entries for this word
cosmic radiationnoun
radiation sicknessnoun
radiation at radioactive
DEFINITIONS2
1
chemistrya form of energy produced during a nuclear reaction that is used for making electrical power but can also kill or harm humans who receive too much of it
There is a clearlink between exposure to radiation and some forms of cancer.
Some workers at the powerstation were exposed to highlevels of radiation.
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
Synonyms and related words
Nuclear power
atomic energy
cold fusion
core
1a
only before nounconsisting of radiation, or caused by radiation
a radiation leak
Synonyms and related words
Radioactivity and radiation
alpha particle
atomic
becquerel
2
physicsa type of energy that is sent out in the form of electromagnetic waves, for example, heat, light, or radio waves