expression

1. (mathematics) An arrangement of symbols denoting values, operations performed on them, and grouping symbols.

2. (biology) The process of translating a gene into a protein.

3. (programming) A piece of code in a high-level language that returns a value.

4. (biology, manufacturing) The act of pressing or squeezing out.Examples: "expression from a gland"; "Breast milk expression can be achieved by hand or with a pump."; "However the mechanical expression of juice led to an improvement of the solutes extraction from mash."

5. (music) The tone of voice or sound in music.

6. (mostly preceded by with) Emotional involvement or engagement in a text read aloud rendered by the voice of the reciter or the reader.Examples: "The number of children who could read with expression would be very small ; ..."; "I cannot say that all read with expression. Indeed , this power is hardly to be expected in young children . And though “ to read with expression ..."; "1976, Aline D. Wolf, Tutoring is Caring: You Can Help Someone to Read, Parent Child Press Perhaps when you were learning to read , you were asked to stand and " read with expression " for your classmates"