| 单词 | radiation |
| 释义 | Word Frequency radiation(ˌreɪdɪˈeɪʃən) noun 1. physics a. the emission or transfer of radiant energy as particles, electromagnetic waves, sound, etc b. the particles, etc, emitted, esp the particles and gamma rays emitted in nuclear decay 2. Also called: radiation therapy medicine treatment using a radioactive substance 3. anatomy a group of nerve fibres that diverge from their common source 4. adaptive radiation 5. the act, state, or process of radiating or being radiated 6. surveying the fixing of points around a central plane table by using an alidade and measuring tape Derived forms radiational (ˌradiˈational) adjective |
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