1. the study of signs and symbols and their use or interpretation
Usage: academic; linguistics
2. the branch of medical science dealing with symptoms of disease
Usage: medical

Examples

• The professor taught a course on semiology and communication theory.
• Semiology examines how meaning is created through signs in culture.
• Roland Barthes was a prominent figure in French semiology.
• Medical semiology focuses on interpreting patient symptoms.
• The study of semiology helps us understand advertising techniques.
• Semiology and semiotics are often used interchangeably in academic contexts.