4 ms·aesthetics | iːsˈθɛtɪks, ɛsˈθɛtɪks | (US also esthetics) plural noun [usually treated as singular]by FabHK 8y agoaesthetics | iːsˈθɛtɪks, ɛsˈθɛtɪks | (US also esthetics) plural noun [usually treated as singular]