The Collaborative International Dictionary
Semeiotics
Semeiotics \Se`mei*ot"ics\ (s[=e]`m[-i]*[o^]t"[i^]ks), or Semiotics \Se`mi*ot"ics\, n.
The study of signs as an element of communication; the analysis of systems of communication; -- also called semiology.
a theory of signs and symbols, including as branches semantics, pragmatics and syntactics.
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Wiktionary
semeiotics
n. (alternative spelling of semiotics English)