释义 |
-o·yl \_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 < decanoyl > and also most other organic acids < oleoyl > < phthaloyl > — compare -yl |