Expression
Expression 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. [1913 Webster]

2. The act of declaring or signifying; declaration; utterance; as, an expression of the public will. [1913 Webster]

With this tone of philosophy were mingled expressions of sympathy. --Prescott. [1913 Webster]

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. [1913 Webster]

The imitators of Shakespeare, fixing their attention on his wonderful power of expression, have directed their imitation to this. --M. Arnold. [1913 Webster]

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. [1913 Webster]

It still wore the majesty of expression so conspicuous in his portraits by the inimitable pencil of Titian. --Prescott. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Synonyms:

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  • expression — [ ɛkspresjɔ̃ ] n. f. • 1547; méd. 1314 ; lat. expressio, de exprimere → exprimer I ♦ Action ou manière d exprimer, de s exprimer. L expression d un sentiment, d une sensation, d un événement vécu. ⇒ extériorisation. Le langage a deux fonctions… …   Encyclopédie Universelle

  • expression — Expression. s. f. Action par laquelle on exprime le suc, le jus de quelque chose. Le suc des herbes se tire en trois manieres, par expression, par infusion, par decoction. une expression de citron. Expression, signifie aussi, Les termes & la… …   Dictionnaire de l'Académie française

  • Expression — may refer to:* Idiom * Facial expression * Artificial discharge of breast milk; see breastfeeding * Expression (mathematics) * Expression (programming), an instruction to execute something that will return a value. * Microsoft Expression Studio,… …   Wikipedia

  • expression — ex·pres·sion n 1: an act, process, or instance of representing or conveying in words or some other medium: speech protected expression under the First Amendment 2: a mode or means of expressing an idea, opinion, or thought ◇ An expression is… …   Law dictionary

  • expression — [ek spresh′ən, ikspresh′ən] n. [ME expressioun < L expressio < expressus: see EXPRESS] 1. a pressing out or squeezing out, as of juice 2. a putting into words or representing in language 3. a picturing, representing, or symbolizing in art,… …   English World dictionary

  • Expression — [ɛksprɛˈsjoːn] (lat. expressio „Ausdruck“) bedeutet: Realisieren der Information, die in der DNA eines Gens gespeichert ist, siehe Genexpression Zellfreie Genexpression Verfahren zur Gewinnung von ätherischen Ölen ein Intonationsmittel bei… …   Deutsch Wikipedia

  • expression — early 15c., action of pressing out; later (mid 15c.) action of manifesting a feeling; (late 15c.) a putting into words, from M.Fr. expression (14c.), from L.L. expressionem (nom. expressio), noun of action from pp. stem of exprimere (see EXPRESS… …   Etymology dictionary

  • expression — [n1] verbalization announcement, argument, articulation, assertion, asseveration, choice of words, commentary, communication, declaration, definition, delivery, diction, elucidation, emphasis, enunciation, execution, explanation, exposition,… …   New thesaurus

  • Expression — (lat.), Ausdruck; beim Harmonium ein Zug, der den Wind ganz frei zu den Zungen zuströmen läßt und daher die Stärke der Tongebung von der Behandlung der Bälge (durch die Füße) abhängig macht …   Meyers Großes Konversations-Lexikon

  • expression — *phrase, locution, idiom …   New Dictionary of Synonyms

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