| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024ra•di•a•tion /ˌreɪdiˈeɪʃən/USA pronunciation n. - Physics[uncountable]
- the process in which energy is given off by one body as particles or waves, sent through space or through some substance, and absorbed by another body.
- the energy transferred by this process.
- Physics something radiated:[countable]harmful radiations.
- radioactivity:[uncountable]nuclear radiation.
WordReference Random House Unabridged Dictionary of American English © 2024ra•di•a•tion (rā′dē ā′shən),USA pronunciation n. - Physics
- the process in which energy is emitted as particles or waves.
- the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and absorbed by another body.
- the energy transferred by these processes.
- Physicsthe act or process of radiating.
- Physicssomething that is radiated.
- radial arrangement of parts.
- Latin radiātiōn- (stem of radiātiō) a glittering, shining. See radiate, -ion
- 1545–55
Collins Concise English Dictionary © HarperCollins Publishers:: radiation /ˌreɪdɪˈeɪʃən/ n - the emission or transfer of radiant energy as particles, electromagnetic waves, sound, etc
- the particles, etc, emitted, esp the particles and gamma rays emitted in nuclear decay
- Also called: radiation therapy treatment using a radioactive substance
- the act, state, or process of radiating or being radiated
ˌradiˈational adj |