_əwəl, ə(ˌ)wil, əˌwēl noun combining form
( -s )
Etymology: International Scientific Vocabulary -o- (as in -oic ) + -yl
: acid radical — used in the system of nomenclature adopted by the International Union of Pure and Applied Chemistry in names of radicals derived from acids whose names end in -oic
decan oyl
and also most other organic acids
ole oyl
phthal oyl
— compare -yl