Definition of alkyl in English:


Line breaks: alkyl
Pronunciation: /ˈalkʌɪl
, -kɪl/


[as modifier] Chemistry
Of or denoting a hydrocarbon radical derived from an alkane by removal of a hydrogen atom: alkyl halides
More example sentences
  • The ethyl group has a greater molecular weight than the smallest alkyl radical which is the methyl 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.


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

Definition of alkyl in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day bogle
Pronunciation: ˈbəʊɡ(ə)l
a phantom or goblin