radiation
part of speech
noun (radiation)
meaning for a pupil
1) Radiation is energy that travels as invisible waves or tiny particles, like light, heat, X-rays and radio waves. tree →
2) Radiation often means the dangerous kind given off by radioactive things, which can harm living things in large amounts. tree →
3) Radiation is a medical treatment for some cancers that uses strong rays. tree →
sense in the lessons
In science lessons heat moves by conduction, convection and radiation; the Sun warms the Earth by radiation. In health: sun's UV radiation causes sunburn, so wear sun cream. In medicine: X-rays and radiation treatment. Phrases: UV radiation, heat radiation, radiation sickness.
examples
- The Sun's heat reaches us by radiation. tree →
- UV radiation from the sun can burn your skin. tree →
- X-rays are a kind of radiation. tree →
- A fire warms you by radiation. tree →
- The sign warned of radiation danger. tree →
- Her aunt had radiation treatment in hospital. tree →
- Mobile phones use radio waves, a weak radiation. tree →
- Dark clothes absorb more radiation from the sun. tree →
note
Uncountable. Verb: radiate. Myth: not all radiation is dangerous; light and radio waves are radiation too. Short forms: rads (unit), radiotherapy (UK medical word).
In the corpora
- Dried tardigrades survive great cold, high pressure and radiation, but they are not immortal, and active tardigrades are quite fragile.
- Radiation still harms living things in the worst spots, and scientists argue how much.
- Both things can be true: radiation hurts animals, yet people being gone helps them more in many places.
- Jupiter is surrounded by belts of deadly radiation, the strongest of any planet, which can damage spacecraft electronics.
- Hawking's leaking, called Hawking radiation, has never been directly observed, because it is far too faint.
Trees and pragmatics
Every meaning and example of «radiation» parsed by Mova, each sentence with its dependency tree and frames.