Chem. the radical HC:CHCH
Origin of allylall(ium) + -yl
The univalent, unsaturated organic group C3H5.
Origin of allylLatin allium garlic ; see allium . -yl ( so called because it was first obtained from garlic )
- (organic chemistry) An organic radical, CH2=CH-CH2-, existing especially in oils of garlic and mustard.