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From The Collaborative International Dictionary of English v.0.48 [gcide]:
Expression \Ex*pres"sion\ ([e^]ks*pr[e^]sh"[u^]n), noun [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 or relation by appropriate characters or symbols, usually in a specific order. [1913 Webster +PJC]
7. (Genetics) the production of products by a gene that cause the appearance of the corresponding protein or phenotype; -- of a gene or of an organism with a specific gene; as, the expression the beta-galactosidase positive phenotype, [PJC]
8. (Computers) a combination of characters linked by operators, occurring as part of the code of a computer program, which must be evaluated according to the rules of the computer language in order to produce a resulting value. [PJC]
Note: In most programming languages, (a + b) is an expression indicating simple arithmetic addition, if the variables a and b are real numbers. Many other types of operation may be used in programs, and each set of symbols indicating an operation is an expression in that program. [PJC]
{Past expression}, {Beyond expression}, beyond the power of description. "Beyond expression bright." --Milton.
From WordNet (r) 3.0 (2006) [wn]:
noun
1: the feelings expressed on a person's face; "a sad expression"; "a look of triumph"; "an angry face" [syn: {expression}, {look}, {aspect}, {facial expression}, {face}]
2: expression without words; "tears are an expression of grief"; "the pulse is a reflection of the heart's condition" [syn: {expression}, {manifestation}, {reflection}, {reflexion}]
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" [syn: {expression}, {verbal expression}, {verbalism}]
4: a word or phrase that particular people use in particular situations; "pardon the expression" [syn: {saying}, {expression}, {locution}]
5: the style of expressing yourself; "he suggested a better formulation"; "his manner of expression showed how much he cared" [syn: {formulation}, {expression}]
6: a group of symbols that make a mathematical statement [syn: {formula}, {expression}]
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}, {grammatical construction}, {expression}] [ant: {misconstruction}]
9: the act of forcing something out by squeezing or pressing; "the expression of milk from her breast"
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Definitions retrieved from the Open Source DICT Webster's English and WordNet 3.0 dictionaries. Click here for database copyright information.
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