Expression may refer to:

Linguistics

Expression (linguistics) In syntax and grammar, a phrase is a group of words or singular word acting as a grammatical unit. For instance, the English expression "the very happy squirrel" is a noun phrase which contains the adjective phrase "very happy". Phrases can cons ...

, a word, phrase, or sentence *

Fixed expression A phraseme, also called a set phrase, idiomatic phrase, multi-word expression (in computational linguistics), or idiom, is a multi-word or multi-morphemic utterance whose components include at least one that is selectionally constrained or restric ...

, a form of words with a specific meaning *

Idiom An idiom is a phrase or expression that typically presents a figurative, non-literal meaning attached to the phrase; but some phrases become figurative idioms while retaining the literal meaning of the phrase. Categorized as formulaic language, ...

, a type of fixed expression * Metaphorical expression, a particular word, phrase, or form of words that has a different meaning than its literal form *

Expression (sign language) In sign languages, expressions are the distinctive body postures and facial expressions that accompany signing, and which are necessary to properly form words. Expression is one of five components of a sign, along with handshape (), orientation (), ...

, the expressions and postures of the face and body that contribute to the formation of words when signing

Symbolic expression

* Expression (architecture), implies a clear and authentic displaying of the character or personality of an individual person *

Expression (mathematics) In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context. Mathematical symbols can designate numbers ( constants), variables, operations, f ...

, a finite combination of symbols that are well-formed according to applicable rules *

Expression (computer science) In computer science, an expression is a syntactic entity in a programming language that may be evaluated to determine its value. It is a combination of one or more constants, variables, functions, and operators that the programming language inter ...

, an instruction to execute something that will return a value *

Regular expression A regular expression (shortened as regex or regexp; sometimes referred to as rational expression) is a sequence of characters that specifies a search pattern in text. Usually such patterns are used by string-searching algorithms for "find" or ...

, a means of matching strings of text in computing * Expression marks, in music, notating the musical dynamics *

Symbolic computation expression In mathematics and computer science, computer algebra, also called symbolic computation or algebraic computation, is a scientific area that refers to the study and development of algorithms and software for manipulating mathematical expressions ...

S-expression In computer programming, an S-expression (or symbolic expression, abbreviated as sexpr or sexp) is an expression in a like-named notation for nested list (tree-structured) data. S-expressions were invented for and popularized by the programming la ...

Bodily expression

* Expression of breast milk in

breastfeeding Breastfeeding, or nursing, is the process by which human breast milk is fed to a child. Breast milk may be from the breast, or may be expressed by hand or pumped and fed to the infant. The World Health Organization (WHO) recommends that br ...

Emotional expression An emotional expression is a behavior that communicates an emotional state or attitude. It can be verbal or nonverbal, and can occur with or without self-awareness. Emotional expressions include facial movements like smiling or scowling, simple b ...

, verbal and non-verbal behaviour that communicates emotion *

Facial expression A facial expression is one or more motions or positions of the muscles beneath the skin of the face. According to one set of controversial theories, these movements convey the emotional state of an individual to observers. Facial expressions are a ...

, a movement of the face that conveys emotional state *

Gene expression Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product that enables it to produce end products, protein or non-coding RNA, and ultimately affect a phenotype, as the final effect. The ...

, the process by which information from a gene is used in biochemistry

Product names

* ''Expression'' (album), a 1967 album by John Coltrane * ''Expressions'' (Chick Corea album), a 1994 album by Chick Corea * ''Expressions'' (Sarah Geronimo album), 2013 * ''Expressions'', an album by

Jon Secada Juan Francisco Secada Ramírez (born October 4, 1961), better known as Jon Secada, is a Cuban-born American singer. He has won two Grammy Awards and sold 15 million records, making him one of the best-selling Latin music artists. His music fus ...

* "Expression" (song), a song by Salt-n-Pepa * ''Expressions'', the annual magazine of

Vidyalankar Institute of Technology Vidyalankara Institute of Technology (VIT) is an engineering college affiliated to University of Mumbai and approved by the All India Council For Technical Education ( AICTE) and , India. It was accredited by National Assessment and Accreditati ...

, Mumbai, India *

Microsoft Expression Studio Microsoft Expression Studio is a discontinued suite of tools for designing and building Web and Windows client applications and rich digital media content. Overview Microsoft introduced Microsoft Expression on September 16, 2005, at Microsoft's ...

, a digital media and graphic design suite *

Ex'pression College for Digital Arts SAE Expression College was a private for-profit college specializing in programs in the entertainment industry and located in Emeryville, California. It offers an around-the-clock schedule and eight week terms. It awards Bachelor's degrees after ...

, a college in Emeryville, California for the entertainment industry * ''The Expression'' (album)

Other

Musical expression Musical expression is the art of playing or singing with a personal response to the music. At a practical level, this means making appropriate use of dynamics (music), dynamics, Musical phrasing, phrasing, timbre and Articulation (music), articulat ...

* Method of obtaining (vegetable) οil by pressure extraction, such as

Expeller pressing Expeller pressing (also called oil pressing) is a mechanical method for extracting oil from raw materials. The raw materials are squeezed under high pressure in a single step. When used for the extraction of food oils, typical raw materials are ...

Self-expression values Self-expression values are part of a core value dimension in the modernization process. Self-expression is a cluster of values that include social tolerance, life satisfaction, public expression and an aspiration to liberty. Ronald Inglehart, ...

Linguistics

Symbolic expression

Bodily expression

Product names

Other

See also