expression[ek spres̸h′ən, ik-]
- The definition of an example of expression is a frequently used word or phrase or it is a way to convey your thoughts, feelings or emotions.
- An example of an expression is the phrase "a penny saved is a penny earned."
- An example of an expression is a smile.
The many expressions of one man.
- a pressing out or squeezing out, as of juice
- a putting into words or representing in language
- a picturing, representing, or symbolizing in art, music, etc.
- a manner of expressing; esp., a meaningful and eloquent manner of speaking, singing, etc.: to read with expression
- a particular word, phrase, or sentence: “catch cold” is an idiomatic expression
- a showing of feeling, character, etc.: laughter as an expression of joy
- a look, intonation, sign, etc. that conveys meaning or feeling: a quizzical expression on the face
- a symbol or set of symbols expressing some mathematical fact, as a quantity or operation
- a showing by a symbol, sign, figures, etc.
- Genetics the manifestation of a trait caused by a particular gene
Origin of expressionMiddle English expressioun ; from Classical Latin expressio ; from expressus: see express
- The act of expressing, conveying, or representing in words, art, music, or movement; a manifestation: an expression of rural values.
- Something that expresses or communicates: Let this plaque serve as an expression of our esteem.
- Mathematics A symbol or combination of symbols that represents a quantity or a relationship between quantities.
- The manner in which one expresses oneself, especially in speaking, depicting, or performing.
- A particular word or phrase: “an old Yankee expression &ellipsis; ‘Stand up and be counted’” (Charles Kuralt).
- The outward manifestation of a mood or a disposition: My tears are an expression of my grief.
- A facial aspect or a look that conveys a special feeling: an expression of scorn.
- The act of pressing or squeezing out.
- Genetics The act or process of expressing a gene.
- A particular way of phrasing an idea.
- A colloquialism or idiom.
- The expression "break a leg!" should not be taken literally.
- A facial appearance usually associated with an emotion.
- They stared at the newcomer with a puzzled expression.
- The best poker players can tell if the opponents have a good hand by looking at their expression.
- Her expression changed from joy to misery after realising her winning lottery ticket had expired.
- (mathematics) An arrangement of symbols denoting values, operations performed on them, and grouping symbols.
- (biology) The process of translating a gene into a protein.
- (programming) A piece of code in a high-level language that returns a value.
- Of a mother, the process of expressing milk.
From Middle French, from Late Latin expressiō (“a pressing out”).
expression - Computer Definition
(1) See Expression Studio.
(2) In programming, a line of source code that returns a value when executed. An expression can comprise any combination of variables, values, operators and functions. For example, a=b+c and price=2*cost are expressions. The more complicated expression (strlen(text_string)*2) is a C example that uses a string length function and returns a value that is twice the number of characters in the string of text. See regular expression.