To radiate means to spread out in rays from a central point. It can refer to light, heat, or sound.
For example, the sun radiates light. The light from the sun spreads out in rays from the centre of the sun.
Another example of something that radiates is a campfire. The heat from the campfire spreads out in rays from the centre of the campfire.
The sun radiates heat and light.
Verb:
Adjective:
The word "radiate" comes from the Latin word "radius", which means "ray".
The first recorded use of the word "radiate" in English was in the 14th century.
What can radiation be used to do?