Expression
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Expression may refer to:
- Idiom
- Facial expression
- Artificial discharge of breast milk; see (Breastfeeding)
- Expression (mathematics)
- Expression (programming), an instruction to execute something that will return a value.
- Microsoft Expression Studio, a graphic design and digital media computer software suite.
- Gene expression, in biochemistry and genetics
- Emotional expression, in psychology
- Expression marks, in music notation for articulation, dynamics, octaves, ornaments, or tempo
- A John Coltrane album
- The act of expressing, as with a ram press (food)
- Ex'pression College for Digital Arts, a small version of Full Sail University, based in Emeryville, California

