radiation是什么意思（radiation的用法）

大家好，知识小编来为大家讲解下。radiation是什么意思，radiation的用法很多人还不知道，现在让我们一起来看看吧！

一、radiation是什么意思

1、radiation 放射线，辐射

2、来自 radiate,放射，辐射。

二、radiation的用法

1、radiation (n.)

2、mid-15c., "act or process of radiating," from Middle French radiation and directly from Latin radiationem (nominative radiatio) "a shining, radiation," noun of action from past participle stem of radiare "to beam, shine, gleam; make beaming," from radius "beam of light; spoke of a wheel" (see radius). Meaning "rays or beams emitted" is from 1560s. Meaning "divergence from a center" is 1650s.

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