| 单词 | alkyl |
| 释义 | alkyl (once / 137434 pages) n WORD FAMILY alkyl USAGE EXAMPLESA number of users were quick to point out alkyl nitrates - more commonly known as poppers - were not covered by the Psychoactive Substances Act 2016. BBC(May 26, 2016) The second major group of insecticides, the alkyl or organic phosphates, are among the most poisonous chemicals in the world. Rachel Carson, Silent Spring(1962) Popular with gay men, "poppers" is the name given to liquid chemicals called alkyl nitrates, which are sniffed. BBC(Mar 23, 2016) n any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons Syn|Hypo|Hyper alkyl group, alkyl radical ethyl, ethyl group, ethyl radical the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom methyl, methyl group, methyl radicalthe univalent radical CH3- derived from methane aminomethanea methyl with the hydrogen atom replaced by an amino radical hydroxymethyla methyl with hydroxide replacing the hydrogen atoms chemical group, group, radical (chemistry) two or more atoms bound together as a single unit and forming part of a molecule |
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