radiation
/ˌreɪdiˈeɪʃən/
CEFR level B2Topic ScienceWord #3680 in the learning path
辐射；辐射能
Definitions
n. Energy travelling through space or matter as waves or particles.
辐射；辐射能
n. Medical treatment using radiation to destroy cancer cells.
放射治疗
Example
This special glass blocks much of the sun's ultraviolet radiation.
这种特殊玻璃能阻挡大部分太阳紫外线辐射。
Workers in nuclear facilities require protective equipment and regular monitoring to limit their exposure to radiation.
核设施工作人员需要防护装备和定期监测，以限制其受到的辐射照射。
Collocations
- ultraviolet radiation
- exposure to radiation
- radiation therapy
- solar radiation
Word family
- radiate (v.)
- radioactive (adj.)
- radioactivity (n.)
Usage tip
通常不可数；辐射不只指核辐射，也包括阳光。
FAQ
- What does radiation mean?
- Energy travelling through space or matter as waves or particles. Medical treatment using radiation to destroy cancer cells.
- How is radiation pronounced?
- UK /ˌreɪdiˈeɪʃən/, US /ˌreɪdiˈeɪʃən/. Use the audio buttons above to listen.
