Expression

Expression may refer to:

• Expression (linguistics), a word, phrase, or sentence
• Fixed expression, a form of words with a specific meaning
• Idiom, a type of fixed expression
• Metaphorical expression, a particular word, phrase, or form of words that has a different meaning than its literal form
• Expression (sign language), the expressions and postures of the face and body that contribute to the formation of words when signing

• Expression (architecture), implies a clear and authentic displaying of the character or personality of an individual person
• Expression (mathematics), a symbolic description of a mathematical object
• Expression (computer science), an instruction to execute something that will return a value
• Regular expression, a means of matching strings of text in computing
• Expression marks, in music, notating the musical dynamics
• Symbolic computation expression
• S-expression

• Expression of breast milk in breastfeeding
• Emotional expression, verbal and non-verbal behaviour that communicates emotion
• Facial expression, a movement of the face that conveys emotional state
• Gene expression, the process by which information from a gene is used in biochemistry
• The manual expression of pimples, also known as "pimple popping"

• Expression (album), a 1967 album by John Coltrane
• Expressions (Chick Corea album), a 1994 album by Chick Corea
• Expressions (Sarah Geronimo album), 2013
• Expressions, an album by Jon Secada
• "Expression" (song), a song by Salt-n-Pepa
• Expressions, the annual magazine of Vidyalankar Institute of Technology, Mumbai, India
• Microsoft Expression Studio, a digital media and graphic design suite
• Ex'pression College for Digital Arts, a college in Emeryville, California for the entertainment industry
• The Expression (album)

• Musical expression
• Method of obtaining (vegetable) οil by pressure extraction, such as Expeller pressing
• Self-expression values

• Express (disambiguation)
• Expressivity (disambiguation)