n.
1. the feelings expressed on a person's face
2. expression without words
3. the communication (in speech or writing) of your beliefs or opinions
4. a word or phrase that particular people use in particular situations
5. the style of expressing yourself
6. a group of symbols that make a mathematical statement
7. (genetics) the process of expressing a gene
8. a group of words that form a constituent of a sentence and are considered as a single unit
9. the act of forcing something out by squeezing or pressing
