Radiation

/ɹˌe‍ɪdɪˈe‍ɪʃən/

/ˌɹeɪdiˈeɪʃən/

[noun]

Radiation

[NOUN]

the energy transmitted in the form of particles or waves through the space or a matter

the act of spreading outward from a central source

(medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance

synonyms : actinotherapy

irradiation

radiation therapy

radiotherapy

a radial arrangement of nerve fibers connecting different parts of the brain

the spread of a group of organisms into new habitats

the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay

synonyms : radioactivity

syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours

synonyms : radiation sickness

radiation syndrome

Examples

1. The Geiger counter detected high levels of radiation in the vicinity of the radioactive material.

2. The radiation from the sun provides heat and light to sustain life on Earth.

3. The nuclear power plant released a small amount of radiation into the atmosphere after the incident.

4. The cancer patient underwent radiation therapy to target and destroy cancer cells.

Nearby words

radio-controlled aircraft

radio receiver