expression

noun

1.

the act of expressing or setting forth in words:

the free expression of political opinions.

2.

a particular word, phrase, or form of words:

old-fashioned expressions.

3.

the manner or form in which a thing is expressed in words; wording; phrasing:

delicacy of expression.

4.

the power of expressing in words:

joy beyond expression.

5.

indication of feeling, spirit, character, etc., as on the face, in the voice, or in artistic execution:

the lyric expression embodied in his poetry.

6.

a look or intonation expressing personal reaction, feeling, etc.:

a shocked expression.

7.

the quality or power of expressing an attitude, emotion, etc.:

a face that lacks expression; to read with expression.

8.

the act of expressing or representing, as by symbols.

9.

Mathematics. a symbol or a combination of symbols representing a value, relation, or the like.

10.

Linguistics. the stylistic characteristics of an utterance (opposed to meaning).

11.

Linguistics. the system of verbal utterances specific to a language (opposed to content1. ).

12.

the act of expressing or pressing out.

13.

Computers. a combination of variables, constants, and functions linked by operation symbols and any required punctuation that describe a rule for calculating a value.

14.

Genetics.

1. the action of a gene in the production of a protein or a phenotype.
2. expressivity (def 2).