首页  英汉  汉英  英英  词组  用法  例句  同义词  写作  俚语  缩写  词源  词根  法汉  德汉  日汉  俄汉  韩汉  西汉  意汉  泰汉  越汉

单词	alkyl
释义	alkyl 1 of 2 adjective al·​kyl ˈal-kəl  : having a monovalent organic group and especially one CnH2n+1 (such as methyl) derived from an alkane (such as methane) alkyl 2 of 2 noun : a compound of one or more alkyl groups with a metal mercury alkyls Example Sentences Recent Examples on the Web Adjective Perfluorinated and polyfluorinated alkyl substances, or PFASs, are considered indestructible chemicals. Lars Fischer, Scientific American, 31 Jan. 2022 The alkyl side chain is the driving force behind a cannabinoid's effects on humans. Kristen Rogers, CNN, 3 Feb. 2020 Noun The second concern, Radić says, is that A-232’s alkyl amine group could enable it to target other enzymes in addition to AChE—and that raises the specter of severe symptoms arising months or years after exposure. Richard Stone, Science | AAAS, 19 Mar. 2018 The alkyl chloride and organophosphate precursors are toxic, but not nearly to the degree of VX, which was developed in the 1950s for chemical warfare and is the most potent of all nerve agents. Ben Otto, WSJ, 6 Oct. 2017 Dragna recommends finding personal care products that contain surfactants from the alkyl polyglycosides instead, the most common of which is decyl glucoside, because the head group is a sugar instead of a sulfate. Ajc Homepage, ajc, 28 Aug. 2017 Word History Etymology Noun probably from German, from Alkohol alcohol First Known Use Adjective 1882, in the meaning defined above Noun 1889, in the meaning defined above Medical Definition alkyl 1 of 2 adjective al·​kyl ˈal-kəl  : of, relating to, or being an alkyl alkyl mercurials attack the brain cells L. J. Goldwater alkyl 2 of 2 noun 1 : a monovalent aliphatic radical CnH2n+1 (as methyl) broadly : a monovalent aliphatic, aromatic-aliphatic, or alicyclic hydrocarbon radical 2 : a compound of one or more alkyl groups with a metal
随便看	connubial connubialism connubialisms connubialities connubiality connubially connubium connumerates conny conny boy cono- Conob conobs conocarpi Conocarpus conocarpuses conocarpusses Conocephalum conoclinia conocliniums conodont conodontae conodontas conodontophoridae conodontophoridas

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。