radiation
Pronunciation: [ˌreɪdiˈeɪʃən]
Word
Context: "science"
(noun) energy that travels in waves or particles. Radiation can come from things like the sun or from machines, and it can sometimes be harmful.
Example
The doctor used radiation to help treat my illness.
Example
Not all radiation is harmful; some types are necessary for our health.
Example
What kind of radiation do we get from the sun?
Context: "environment"
(noun) the process by which energy is sent out into space. Think of how heat from a campfire spreads out in the air.
Example
The heat from the sun reaches us through radiation.
Example
The room felt cold because there was no radiation from the heater.
Example
How does radiation affect the temperature of the earth?
Context: "health"
(noun) the use of energy to diagnose or treat disease. Doctors sometimes use radiation to find out what's wrong with us.
Example
X-rays are a type of radiation that helps doctors see inside our bodies.
Example
I avoided getting more radiation because I had enough from the last test.
Example
What tests use radiation to help find health issues?
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