semiotics
Concise Oxford English Dictionary © 2008 Oxford University Press:
semiotics /ˌsɛmɪˈɒtɪks/
▶plural noun [treated as sing.] the study of signs and symbols and their use or interpretation.
– derivatives
semiotic adjective,
semiotically adverb,
semiotician /-əˈtɪʃ(ə)n/ noun.
semiotic adjective,
semiotically adverb,
semiotician /-əˈtɪʃ(ə)n/ noun.
– origin C19: from Gk sēmeiotikos ‘of signs’.
'semiotics' also found in these Oxford entries:

