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 content).
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.
a.
the action of a gene in the production of a protein or a phenotype.
the feelings expressed on a person's face; "a sad expression"; "a look of triumph"; "an angry face"
2.
expression without words; "tears are an expression of grief"; "the pulse is a reflection of the heart's condition"
3.
the communication (in speech or writing) of your beliefs or opinions; "expressions of good will"; "he helped me find verbal expression for my ideas"; "the idea was immediate but the verbalism took hours"
4.
a word or phrase that particular people use in particular situations; "pardon the expression" [syn: saying]
5.
the style of expressing yourself; "he suggested a better formulation"; "his manner of expression showed how much he cared" [syn: formulation]
6.
a group of symbols that make a mathematical statement [syn: formula]
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; "I concluded from his awkward constructions that he was a foreigner" [syn: construction] [ant: misconstruction]
9.
the act of forcing something out by squeezing or pressing; "the expression of milk from her breast"
expressionprogramming Any piece of program code in a high-level language which, when (if) its execution terminates, returns a value. In most programming languages, expressions consist of constants, variables, operators, functions, and parentheses. The operators and functions may be built-in or user defined. Languages differ on how expressions of different types may be combined - with some combination of explicit casts and implicit coercions. The syntax of expressions generally follows conventional mathematical notation, though some languages such as Lisp or Forth have their own idiosyncratic syntax. (2001-05-14)
Ex*pres"sion\ ([e^]ks*pr[e^]sh"[u^]n), n. [L. expressio: cf. F. expression.]1. The act of expressing; the act of forcing out by pressure; as, the expression of juices or oils; also, of extorting or eliciting; as, a forcible expression of truth. 2. The act of declaring or signifying; declaration; utterance; as, an expression of the public will. With this tone of philosophy were mingled expressions of sympathy. --Prescott. 3. Lively or vivid representation of meaning, sentiment, or feeling, etc.; significant and impressive indication, whether by language, appearance, or gesture; that manner or style which gives life and suggestive force to ideas and sentiments; as, he reads with expression; her performance on the piano has expression. The imitators of Shakespeare, fixing their attention on his wonderful power of expression, have directed their imitation to this. --M. Arnold. 4. That which is expressed by a countenance, a posture, a work of art, etc.; look, as indicative of thought or feeling. "The expression of an eye." --Tennyson. It still wore the majesty of expression so conspicuous in his portraits by the inimitable pencil of Titian. --Prescott. 5. A form of words in which an idea or sentiment is conveyed; a mode of speech; a phrase; as, a common expression; an odd expression. 6. (Math.) The representation of any quantity by its appropriate characters or signs. Past expression, Beyond expression, beyond the power of description. "Beyond expression bright." --Milton.
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