英语词汇“halogen”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	halogen
释义	halogen noun /ˈhælədʒən/ /ˈhælədʒən/ (chemistry) jump to other results any of a set of five chemical elements, including fluorine, chlorine and iodine, that react with hydrogen to form acids from which simple salts can be made. Halogens, in the form of gas, are used in lamps and cookers. Oxford Collocations DictionaryHalogen is used before these nouns: bulb lamp light … See full entry Word Originmid 19th cent.: from Greek hals, halo- ‘salt’ + -gen.
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