| 单词 | benzene ring |
| 释义 | benzene /benˈzēn/nounThe simplest of the aromatic series of hydrocarbons, discovered by Faraday in 1825, now mostly prepared by destructive distillation of coal tar, its molecule consisting of a ring or closed chain of six carbon atoms each with a hydrogen atom attached, formerly called benzine or benzol, names now used differently (see below) ORIGIN: From benzoin benˈzal or benzylˈidine noun A radical whose oxide is benzalˈdehyde or oil of bitter almonds benzˈidine noun A base used in preparing azo dyes benˈzil noun A double benzoyl radical benzine /benˈzēn/ noun
benˈzoate /-zō-āt/ noun A salt of benzoic acid benzocaine /ben-zō-kāˈin or benˈzō-kān/ noun (benzine and cocaine) a drug used as a local anaesthetic benzodiazepine /ben-zō-dī-azˈə-pēn, -pin or -pīn/ noun One of a group of tranquillizing and soporific drugs benˈzol or benˈzole noun
benˈzoline noun
benzoquinone /ben-zō-kwinˈōn/ See quinone under quinol benzoyl /benˈzō-il/ noun The radical C6H5:CO benzpyrene /benz-pīˈrēn/ noun (benzene and pyrene2) a cancer-inducing hydrocarbon (C20H12) found in coal tar and present in small quantities in smoke, including tobacco smoke benˈzyl /-zil/ noun The radical C6H5CH2 benzylˈidine noun see benzal above benzene hexachloride noun (known as BHC) a chlorinated hydrocarbon, a very toxic insecticide benzene ring noun A ring of six linked carbon atoms, as in a molecule of benzene |
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