[1] : The Collaborative International Dictionary of English v.0.48

expression \expres"sion\ e^kspre^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
see also:
past expression beyond expression 

[2] : WordNet (r) 2.0

expression
     n 1: the expression on a person's face; "a sad expression"; "a
          look of triumph"; "an angry face" syn: 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: manifestation, reflection, reflexion
     3: the communication in speech or writing of your beliefs or
        opinions; "expressions of good will"; "he helped me find
        expression for my ideas"
     4: a word or phrase that particular people use in particular
        situations; "pardon the expression" syn: saying, locution
     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,
         grammatical construction ant: misconstruction
     9: the act of forcing something out by squeezing or pressing;
        "the expression of milk from her breast"
see also:
look aspect facial expression face manifestation reflection 
reflexion saying locution formulation formula 
construction grammatical construction misconstruction 

[3] : Moby Thesaurus II by Grady Ward, 1.0

292 moby thesaurus words for "expression":
   christophany, parthian shot, satanophany, accent, adage, address,
   adjectival phrase, affirmation, air, airing, allegation, ana,
   analects, angelophany, announcement, answer, antonym, aphorism,
   apostrophe, apothegm, appearance, ardor, articulateness,
   articulation, aspect, assertion, asseveration, avatar, averment,
   avulsion, axiom, byword, cantando, cast, catchword,
   characterization, choice of words, clause, collected sayings,
   command of language, command of words, comment, communication,
   composition, concentration, construction, countenance, crack,
   current saying, cutting out, declaration, decoction, delivery,
   demilegato, demonstration, denomination, denotation, depth,
   deracination, designation, dialect, dictate, diction, dictum,
   differentiation, disclosure, disentanglement, dissemination,
   distich, distillation, drawing, drawing out, dredging, drilling,
   effective style, eloquence, eloquent tongue, embodiment, emotion,
   enucleation, enunciation, epigram, epiphany, eradication, evidence,
   evincement, evolvement, evulsion, excavation, excision,
   exclamation, execution, expressiveness, exsection, extirpation,
   extraction, extrication, face, facundity, feeling, felicitousness,
   felicity, fingering, formulation, free form, gesture,
   gift of expression, gift of gab, glibness, glissando, gnome,
   golden saying, grammar, graphicness, greeting, headed group, hint,
   homograph, homonym, homophone, identification, idiom, idiotism,
   incarnation, indication, indicativeness, infusion, intensity,
   interjection, intonation, issue, language, legato, lexeme,
   linguistic form, locution, logos, look, loudness, manifestation,
   manner of speaking, materialization, maxim, meaning,
   meaningfulness, mention, metonym, mezzo staccato, mien,
   minimum free form, mining, monosyllable, moral, mot, motto,
   music-making, naming, note, noun phrase, nuance, observation,
   oracle, oratory, paragraph, parlance, parlando, passion, pathos,
   peculiar expression, performance, period, phrasal idiom, phrase,
   phraseology, phrasing, pianism, picking out, pithy saying,
   pizzicato, pneumatophany, pointing, pointing out, pointing to,
   polysyllable, position, precept, prescript, pressing, pressing out,
   pronouncement, proof, proverb, proverbial saying, proverbs,
   publication, pulling, quarrying, question, reflection, remark,
   reminder, removal, rendering, rendition, repercussion,
   representation, revelation, rhetoric, ripping out, rubato, saw,
   say, saying, selection, sensitivity, sentence,
   sententious expression, set phrase, shading, show, showing, sign,
   signification, silver tongue, slickness, sloka, slur, smoothness,
   soaking, softness, specification, speech, spiccato, spirit,
   squeezing, squeezing out, staccato, standard phrase, statement,
   steeping, stock saying, style, subjoinder, suggestion, sutra,
   syllable, symbol, symptomaticness, synonym, syntactic structure,
   talk, teaching, term, text, theophany, thought, token, tone, touch,
   turn of expression, turn of phrase, unrooting, uprooting, usage,
   use of words, usus loquendi, utterance, vent, verb complex,
   verb phrase, verbalism, verbalization, verbiage, verbum, verse,
   visage, vividness, vocable, voice, voicing, way of speaking,
   wisdom, wisdom literature, wise saying, withdrawal, witticism,
   word, word-group, wordage, wording, words of wisdom,
   wresting out

[4] : The Free On-line Dictionary of Computing (27 SEP 03)

expression
     
         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
     
     
see also:
high-level language parentheses types casts coercions syntax 
lisp forth 

[5] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

expression. the term or use of language employed to explain a thing. 
     2. it is a general rule, that expressions shall be construed, when they 
are capable of several significations, so as to give operation to the 
agreement, act, or will, if it can be done; and an expression is always to 
be understood in the sense most agreeable to the nature of the contract. 
vide clause; construction; equivocal; interpretation; words. 

Expression >> E Words
Expression, definition of term: Expression
expression_pag1.html

Feminists For Free Expression
...... to college and university student expression. In a friend-of-the-court ... with this web site © 2000-2004 Feminists for Free Expression Inc. ... ..
http://www.ffeusa.org/, score=100, date indexed=December 29, 2005, 10:52 pm

Expression College for Digital Arts - Expression Homepage
...... Alumnae Create Digital Bliss. brainchild of Expression Graduates Lynda ... 2005 Expression College for Digital Arts. 6601 Shellmound Street, ... ..
http://www.expression.edu/, score=99, date indexed=December 30, 2005, 12:03 am

Gene Expression Omnibus (GEO) Main page
...mnibus: a gene expression/molecular abundance repository supporting ... online resource for gene expression data browsing, query and retrieval ... ..
http://www.ncbi.nlm.nih.gov/geo/, score=99, date indexed=January 27, 2006, 7:25 am

Last Expression
... ..
http://lastexpression.northwestern.edu/, score=98, date indexed=December 30, 2005, 10:31 am

...
... ..
http://www.pmachine.com/expressionengine/, score=98, date indexed=December 29, 2005, 7:01 pm

... ..
http://books.slashdot.org/article.pl?from=rss, score=98, date indexed=December 21, 2005, 3:45 am

CJFE English Home Page
...Free expression groups pull out of WSIS Event Read More... CJFE calls ... supports and defends the broader objective of freedom of expression in ... ..
http://www.cjfe.org/, score=98, date indexed=December 29, 2005, 10:11 pm

Expression Magazine Online
...Expression is a registered Trademark of Publishers Development ... To contact by snail mail,. write to. Expression,. 12345 World Trade Dr ... ..
http://www.expressionartmagazine.com/, score=98, date indexed=December 29, 2005, 10:53 pm

Welcome to the Freedom of Expression Institute - South Africa
...WELCOME TO THE FREEDOM OF EXPRESSION INSITUTE - SOUTH AFRICA  .  .  . ... dialogue and the defence of the freedoms of expression and speech ... ..
http://www.fxi.org.za/, score=97, date indexed=December 30, 2005, 2:16 pm

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