n.
1.the expression 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
