搜尋結果
radiation
- IPA[ˌrādēˈāSH(ə)n]
美式
- the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.；the energy transmitted by radiation, as heat, light, electricity, etc.
noun: radiation, plural noun: radiations
- 釋義
- 相關詞
名詞
- 1. the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.
- ▪ the energy transmitted by radiation, as heat, light, electricity, etc. background radiation the radiation dose
- 2. divergence out from a central point, in particular evolution from an ancestral animal or plant group into a variety of new forms evolution is a process of radiation not progression
- treatment with or exposure to X-rays.
Oxford American Dictionary
- the branch of chemistry concerned with the effects of radiation on matter.
Oxford Dictionary
- illness caused by exposure of the body to ionizing radiation, characterized by nausea, hair ...
Oxford Dictionary
- polarized radiation emitted by a charged particle spinning in a magnetic field.
Oxford Dictionary
- the diversification of a group of organisms into forms filling different ecological niches.
Oxford Dictionary
- a kind of radiation including visible light, radio waves, gamma rays, and X-rays, in which ...
Oxford American Dictionary
- ionizing radiation consisting of alpha particles, emitted by some substances undergoing ...
Oxford Dictionary
- radiation consisting of cosmic rays.
Oxford Dictionary
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- IPA[ˌreɪdɪˈeɪʃn]
英式
- the emission of energy as electromagnetic waves or as moving subatomic particles, especially ...
Oxford Dictionary
