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semiology

or se·mei·ol·o·gy

[see-mee-ol-uh-jee, sem-ee-, see-mahy-]
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noun
  1. the study of signs and symbols; semiotics.
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Origin of semiology

1885–90; < Greek sēmeîo(n) sign + -logy
Related formsse·mi·o·log·ic [see-mee-uh-loj-ik, sem-ee-, se-mahy-] /ˌsi mi əˈlɒdʒ ɪk, ˌsɛm i-, ˌsɛ maɪ-/, se·mi·o·log·i·cal, adjectivese·mi·ol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for semiology

semiology

semeiology

noun
  1. another word for semiotics
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Derived Formssemiologic (ˌsɛmɪəˈlɒdʒɪk, ˌsiːmɪ-), semiological, semeiologic or semeiological, adjectivesemiologist or semeiologist, noun

Word Origin

C17 (in the sense ``sign language''): from Greek sēmeion sign + -logy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for semiology

n.

1690s, "sign language," from Greek semeion "a sign, mark, token," from sema (cf. semiotic) + -ology. As "branch of medical science concerned with symptoms," 1839; as "logical theory of signs" from 1923. Related: Semiological.

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Online Etymology Dictionary, © 2010 Douglas Harper