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1. the study of signs and symbols.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
se·mi·ot·ics, semeiotics (sē'mē-ot'iks, sem-e-),
1. The general philosophic theory of signs and symbols in communication, having three branches: syntactics, semantics, and pragmatics.
2. Obsolete term for symptomatology.
Farlex Partner Medical Dictionary © Farlex 2012
semioticsThe study of signs, including words, symbols, gestures and body language, and of their cardinal role in conveying information. Semiotic studies suggest that meaning, although it may often seem self-evident, is always the result of social conventions. Cultures can be analyzed in terms of a series of sign systems. One difficulty, perhaps responsible for a certain vagueness in discussion of the subject, is that the experts have never been able to reach full agreement on the exact definition of the central terms ‘sign’, ‘symbol’ and ‘signal’.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
semioticsthe study of communication between organisms.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005