IPA: /ˈtoʊljuːl/
KK: /tɔˈluːɪl/
A type of chemical radical related to toluic acids, often used in organic chemistry.
The chemist studied the properties of toluyl in the laboratory.
Toluyl is derived from 'toluene' (from the Spanish 'tolueno', which refers to a resin from the Tolu tree) and the suffix '-yl' (used in chemistry to denote a radical or group derived from a compound). The term 'toluyl' refers to a chemical group derived from toluene.
Think of 'toluene' as the source of 'toluyl', which represents a chemical group related to that compound.