A chemical radical or functional group in organic chemistry, possibly related to carbohydrate or aromatic compounds.
Likely from 'car-' (relating to carbon or carbohydrates) plus the chemical suffix '-yl' (denoting a group or radical). Used in specialized chemical nomenclature.
Chemical nomenclature uses '-yl' to mark building blocks—so many '-yl' compounds in chemistry serve as recognizable prefixes that help chemists understand what pieces they're working with.
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