Look up expression in Wiktionary, the free dictionary. Expression may refer to: Expression (linguistics), a word, phrase, or sentence Expression (mathematics)...

A regular expression (shortened as regex or regexp), sometimes referred to as a rational expression, is a sequence of characters that specifies a match...

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...

Gene expression is the process (including its regulation) by which information from a gene is used in the synthesis of a functional gene product that enables...

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...

emotional expression. It is frequently used during celebrations such as weddings or traditional dancing. In Greek culture, the expression sometimes accompanies...

of retaliation, censorship, or legal sanction. The right to freedom of expression has been recognised as a human right in the Universal Declaration of Human...

In mathematics, an infinite expression is an expression in which some operators take an infinite number of arguments, or in which the nesting of the operators...

In mathematics, an expression or equation is in closed form if it is formed with constants, variables, and a set of functions considered as basic and connected...

Facial expression is the motion and positioning of the muscles beneath the skin of the face. These movements convey the emotional state of an individual...

In mathematics, an expression is a written arrangement of symbols following the context-dependent, syntactic conventions of mathematical notation. Symbols...

A predicative expression (or just predicative) is part of a clause predicate, and is an expression that typically follows a copula or linking verb, e.g...

The Jakarta Expression Language (EL; formerly Expression Language and Unified Expression Language) is a special purpose programming language mostly used...

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...

Lambda expression may refer to: Lambda expression in computer programming, also called an anonymous function, is a defined function not bound to an identifier...

of”, and the suffix -topic, meaning "place." Ectopic expression is an abnormal gene expression in a cell type, tissue type, or developmental stage in...

An expression cassette is a distinct component of vector DNA consisting of a gene and regulatory sequence to be expressed by a transfected cell. In each...

In mathematics, an algebraic expression is an expression built up from constants (usually, algebraic numbers), variables, and the basic algebraic operations:...

Gender expression (or gender presentation) is a person's behavior, mannerisms, interests, and appearance that are associated with gender in a particular...

Protein expression may refer to: Gene expression, the processes that convert the information of DNA genes into a functional copies of mRNA in living cells...

The Expression were an Australian synthpop band formed in Sydney in 1981 and disbanded in 1985. Their best known single, "With Closed Eyes", was released...

In linguistics, a vocative or vocative expression is a phrase used to identify the addressee of an utterance. The underlined phrases in each of the following...

Chomsky's government and binding theory in linguistics, an R-expression (short for "referring expression" (the linked article explains the different, broader...

at compile time, where expressions are evaluated only as needed to produce efficient code for the entire computation. Expression templates thus allow programmers...

In linguistics, a phatic expression (English: /ˈfætɪk/, FAT-ik) is a communication which primarily serves to establish or maintain social relationships...

In computer science, a Boolean expression (also known as logical expression) is an expression used in programming languages that produces a Boolean value...

path expressions identify an object by describing how to navigate to it in some graph (possibly implicit) of objects. For example, the path expression p...

Rational expression may refer to: A mathematical expression that may be rewritten to a rational fraction, an algebraic fraction such that both the numerator...

Expression cloning is a technique in DNA cloning that uses expression vectors to generate a library of clones, with each clone expressing one protein...

A blank expression, also known as a poker face, is a facial expression characterized by neutral positioning of the facial features, implying a lack of...