| 单词 | ozone |
| 释义 | Word Frequency ozone(ˈəʊzəʊn, əʊˈzəʊn) noun 1. a colourless gas with a chlorine-like odour, formed by an electric discharge in oxygen: a strong oxidizing agent, used in bleaching, sterilizing water, purifying air, etc. Formula:O3; density: 2.14 kg/m3; melting pt: –192°C; boiling pt: –110.51°C Technical name: trioxygen2. informal clean bracing air, as found at the seaside Derived forms ozonic (əʊˈzɒnɪk) or ozonous (ˈozonous) adjective Word origin C19: from German Ozon, from Greek: smell |
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