sem·i·ot·ics /ˌsemiˈɒtɪks $ -ˈɑːt-/ (also semiology /ˌsemiˈɒlədʒi $ -ˈɑːl-/) noun [uncountableU] technical SLthe way in which people communicate through signs and images, or the study of this 符号语言;符号学 n Semiotics is followed by a singular verb: Semiotics is the study of signs.
—semiotic adjectiveadj
—semiotician /ˌsemiəˈtɪʃən/ (also semiologist) noun [countableC]