Wiktionary英语词典
收录 1,329,381 个英语单词，来自Wiktionary的英文释义、IPA发音、词源、词形变化和词汇关系数据
R开头单词
(共59,864个)
So as to radiate, or spread outward in rays.
radiation
英 /ˌɹeɪ.diˈeɪ.ʃən/
The shooting forth of anything from a point or surface, like diverging rays of light.
A region of high-energy charged particles which partly surrounds a planet or star, trapped by its ma...
plural of radiation belt
The study of the effect of ionizing and nonionizing radiation on biological systems.
The study of the chemical changes that result from the absorption of ionizing radiation.
Harmful changes in the properties of materials caused by interactions with ionizing radiation.
The amount of radiation that reaches something from a radioactive source, or the effect that that am...
plural of radiation dose
a fog produced by the cooling of air at the ground through the release of electromagnetic energy in ...
plural of radiation fog
The protection of semiconductor devices from the effects of ionizing radiation.
The impedance of any vibrating solid or fluid that radiates sound in the surrounding medium.
plural of radiation impedance
Synonym of radiation maze
plural of radiation labyrinth
A device whose readings, when coordinated from several sites, can be used to determine the exact pos...
plural of radiation lampshade
An architectural or engineering configuration of alternating passageways and thick, dense barriers u...
plural of radiation maze