from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act of expressing, conveying, or representing in words, art, music, or movement; a manifestation: an expression of rural values.
  • n. Something that expresses or communicates: Let this plaque serve as an expression of our esteem.
  • n. Mathematics A symbol or combination of symbols that represents a quantity or a relationship between quantities.
  • n. The manner in which one expresses oneself, especially in speaking, depicting, or performing.
  • n. A particular word or phrase: "an old Yankee expression . . . 'Stand up and be counted'” ( Charles Kuralt).
  • n. The outward manifestation of a mood or a disposition: My tears are an expression of my grief.
  • n. A facial aspect or a look that conveys a special feeling: an expression of scorn.
  • n. The act of pressing or squeezing out.
  • n. Genetics The act or process of expressing a gene.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A particular way of phrasing an idea.
  • n. A colloquialism or idiom.
  • n. A facial appearance usually associated with an emotion.
  • n. An arrangement of symbols denoting values, operations performed on them, and grouping symbols.
  • n. The process of translating a gene into a protein.
  • n. A piece of code in a high-level language that returns a value.
  • n. Of a mother, the process of expressing milk.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of expressing; the act of forcing out by pressure; ; also, of extorting or eliciting.
  • n. The act of declaring or signifying; declaration; utterance.
  • n. 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
  • n. That which is expressed by a countenance, a posture, a work of art, etc.; look, as indicative of thought or feeling.
  • n. A form of words in which an idea or sentiment is conveyed; a mode of speech; a phrase
  • n. The representation of any quantity or relation by appropriate characters or symbols, usually in a specific order.
  • n. 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;
  • n. 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.

from The Century Dictionary and Cyclopedia

  • n. The act of expressing or forcing out by pressure, as juices and oils from plants.
  • n. The act of expressing, or embodying or representing in speech, writing, or action; utterance; declaration; representation; manifestation: as, an expression of the public will.
  • n. Mode of expressing; manner of giving forth or manifesting thoughts, feelings, sentiments, ideas, etc.
  • n. Used absolutely, expressive utterance; significant manifestation; lucid exposition of thoughts or ideas: as, he lacks expression, or the faculty of expression.
  • n. The outward indication of some interior state, property, or function; especially, appearance as indicative of character, feeling, or emotion; significant look or attitude: as, a mild or a fierce expression (of the eye or of the whole person); a peculiar expression.
  • n. That which is expressed or uttered; an utterance; a saying; a phrase or mode of speech: as, an uncommon expression.
  • n. In rhetoric, the peculiar manner of utterance as affected by the subject and sentiment; elocution; diction.
  • n. In art and music, the method of bringing out or exhibiting the character and meaning of a work in all or any of its details; clear representation of ideas, emotions, etc., in a work of art or a musical performance; effective execution.
  • n. In algebra, any algebraical symbol, or, especially, a combination of symbols, as (x + y) z.
  • n. In obstetrics: Credé's method, compression of the flaccid uterus by the hand externally applied in order to express the placenta after the birth of the child.
  • n. Kristeller's method, pressure and friction of the uterus made by the hand on the abdominal wall, in order to hasten the birth of the child.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the style of expressing yourself
  • n. a group of symbols that make a mathematical statement
  • n. the communication (in speech or writing) of your beliefs or opinions
  • n. a word or phrase that particular people use in particular situations
  • n. (genetics) the process of expressing a gene
  • n. expression without words
  • n. a group of words that form a constituent of a sentence and are considered as a single unit
  • n. the feelings expressed on a person's face
  • n. the act of forcing something out by squeezing or pressing


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English, from Latin expressiō ("a pressing out").


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