Definition of alkyl in English:

alkyl

noun ˈalkʌɪlˈalkɪlˈalk(ə)l

Chemistry

as modifier Of or denoting a hydrocarbon radical derived from an alkane by removal of a hydrogen atom.
〔化〕烃基
alkyl halides
Example sentencesExamples
- In common with other alkyl groups, both forms of the propyl group modify the behavior of a functional group.
- Subsequently, alkyl hydroperoxides may initiate radical chain reactions and cause membrane destruction.
- As the size of the alkyl group increases, i.e. as the number of carbon atoms increases, the water solubility decreases.
- This produces the second electrophile, the positively charged alkyl group.
- The ethyl group has a greater molecular weight than the smallest alkyl radical which is the methyl group.

Origin

Late 19th century: German, from Alkohol 'alcohol' + -yl.

Definition of alkyl in US English:

alkyl

nounˈalk(ə)l

Chemistry

as modifier Of or denoting a hydrocarbon radical derived from an alkane by removal of a hydrogen atom.
〔化〕烃基
alkyl halides
Example sentencesExamples
- This produces the second electrophile, the positively charged alkyl group.
- As the size of the alkyl group increases, i.e. as the number of carbon atoms increases, the water solubility decreases.
- Subsequently, alkyl hydroperoxides may initiate radical chain reactions and cause membrane destruction.
- In common with other alkyl groups, both forms of the propyl group modify the behavior of a functional group.
- The ethyl group has a greater molecular weight than the smallest alkyl radical which is the methyl group.

Origin

Late 19th century: German, from Alkohol ‘alcohol’ + -yl.

单词	alkyl
释义	Definition of alkyl in English: alkyl noun ˈalkʌɪlˈalkɪlˈalk(ə)l Chemistry as modifier Of or denoting a hydrocarbon radical derived from an alkane by removal of a hydrogen atom. 〔化〕烃基 alkyl halides Example sentencesExamples In common with other alkyl groups, both forms of the propyl group modify the behavior of a functional group. Subsequently, alkyl hydroperoxides may initiate radical chain reactions and cause membrane destruction. As the size of the alkyl group increases, i.e. as the number of carbon atoms increases, the water solubility decreases. This produces the second electrophile, the positively charged alkyl group. The ethyl group has a greater molecular weight than the smallest alkyl radical which is the methyl group. Origin Late 19th century: German, from Alkohol 'alcohol' + -yl. Definition of alkyl in US English: alkyl nounˈalk(ə)l Chemistry as modifier Of or denoting a hydrocarbon radical derived from an alkane by removal of a hydrogen atom. 〔化〕烃基 alkyl halides Example sentencesExamples This produces the second electrophile, the positively charged alkyl group. As the size of the alkyl group increases, i.e. as the number of carbon atoms increases, the water solubility decreases. Subsequently, alkyl hydroperoxides may initiate radical chain reactions and cause membrane destruction. In common with other alkyl groups, both forms of the propyl group modify the behavior of a functional group. The ethyl group has a greater molecular weight than the smallest alkyl radical which is the methyl group. Origin Late 19th century: German, from Alkohol ‘alcohol’ + -yl.
随便看	Beeton, Mrs Isabella Mary bee tree beetroot beet-root beetroots beets beet sugar be euchred be euchred be euphoric be evasive be evasive about be even beeves be evidence of be evidence/proof of be evident be exampled be exampled be exasperated be excellent be excessive be excruciating be exculpated be excused