ozone
/ˈəʊzəʊn/noun
mass noun
1- a colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O2) in having three atoms in its molecule (O3).臭氧(O3)。
1.1
- short for OZONE LAYER.OZONE LAYER的简称。
1.2
- informal fresh invigorating air, especially that blowing on to the shore from the sea〈非正式〉（尤指海风吹到海滨来的）清新空气。
派生词
ozonic
adjective词源
mid 19th cent.: from German Ozon, from Greek ozein 'to smell'.