In computer programming, M-expressions (or meta-expressions) were an early proposed syntax for the Lisp programming language, inspired by contemporary...

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...

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

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

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...

bracketed "M-expressions" that would be translated into S-expressions. As an example, the M-expression car[cons[A,B]] is equivalent to the S-expression (car...

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...

Transient expression, more frequently referred to "transient gene expression", is the temporary expression of genes that are expressed for a short time...

gene expression Transcription (genetics) translation λ phage pBR322 Lodes, M. J.; Dillon, D. C.; Houghton, R. L.; Skeiky, Y. A. (2004). Expression cloning...

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

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

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

syntax based on M-Expressions, which were the function syntax in the original description of Lisp by John McCarthy. McCarthy's M-expressions were never implemented...

language may deviate from the M-expression paradigm when an alternative, more human-friendly way of showing an expression is available: A number of formatting...

In computer science, a parsing expression grammar (PEG) is a type of analytic formal grammar, i.e. it describes a formal language in terms of a set of...

shear flow is used in solid mechanics as well as in fluid dynamics. The expression shear flow is used to indicate: a shear stress over a distance in a thin-walled...

McCarthy called "m-expressions". As an example, the m-expression car[cons[A,B]] is equivalent to the s-expression (car (cons A B)). S-expressions proved popular...

In computer science, a "let" expression associates a function definition with a restricted scope. The "let" expression may also be defined in mathematics...

An expression vector, otherwise known as an expression construct, is usually a plasmid or virus designed for gene expression in cells. The vector is used...

Spatiotemporal gene expression is the activation of genes within specific tissues of an organism at specific times during development. Gene activation...

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...

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...

The Expression of the Emotions in Man and Animals is Charles Darwin's third major work of evolutionary theory, following On the Origin of Species (1859)...

(\lambda y.M[y])}  : α-conversion, renaming the bound variables in the expression. Used to avoid name collisions. ( ( λ x . M )   N ) → ( M [ x := N ]...

(MIAME) format. Edgar, R; Domrachev, M; Lash, AE (1 January 2002). "Gene Expression Omnibus: NCBI gene expression and hybridization array data repository"...

The T7 expression system is utilized in the field of microbiology to clone recombinant DNA using strains of E. coli. It is the most popular system for...

In academic publishing, an expression of concern is a notice issued by a publisher against a particular publication, warning that it may contain errors...

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...

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...

Regulation of gene expression, or gene regulation, includes a wide range of mechanisms that are used by cells to increase or decrease the production of...