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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.

  1. The study of signs as an element of communication; the analysis of systems of communication; -- also called semiology.

  2. a theory of signs and symbols, including as branches semantics, pragmatics and syntactics.
    --[RHUD]

Wiktionary
semeiotics

n. (alternative spelling of semiotics English)