radon

['reidɔn]

n.氡

例句与用法:

Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.

射气几种氡的同位素的放射性气体,是放射性物质衰变的产物

A radioactive, inert, gaseous isotope of radon, with a half-life of 3.92 seconds.

锕射气氡的一种放射性的,惰性的和气态的同位素,其半衰期为3.92秒

词形变化:

简写符号: Rn |

详细释义:

n.

【化】氡