| 单词 | ozone |
| 释义 | ozone n. 1. Chem. a colourless unstable gas with a pungent odour and powerful oxidizing properties, used for bleaching etc. Usage Chem. formula: O3. 2. colloq. a invigorating air at the seaside etc. b exhilarating influence. Phrases and idioms ozone-friendly (of manufactured articles) containing chemicals that are not destructive to the ozone layer. ozone layer a layer of ozone in the stratosphere that absorbs most of the sun's ultraviolet radiation. Derivatives ozonic adj. ozonize v.tr. (also -ise). ozonization n. ozonizer n. Etymology: G Ozon f. Gk, neut. pres. part. of ozo smell |
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