Definify.com
Webster 1913 Edition
Semiology
{
, Seˊmei-ol′o-gy
(sēˊmē̍-ŏl′ō̍-jy̆ or sēˊmī̍-ŏl′ō̍-jy̆)
, or Seˊmi-ol′o-gy
(sĕmˊē̍-ŏl′ō̍-jy̆)
}Noun.
[Gr.
σημεῖον
a mark, a sign + -logy
.] The study of signs as an element of communication; the analysis of systems of communication; – also called
semiotics
. Specifically:
(a)
(Med.)
The science of the signs or symptoms of disease; symptomatology.
(b)
The art of using signs in signaling.