The ancient language of the Indus Valley, spoken in the timeframe of 2600-1900 BCE.

(computing) A query language for selecting nodes from an XML document, developed by the W3C.

(electronics) Any language from a class of computer, modeling, or specification languages for formal description and design of analogue or digital logic electronic circuits.

(programming) A programming language whose syntax uses curly brackets to enclose blocks, such as C, C++, Java, or C#.

(programming) Synonym of curly-bracket language

(linguistics) A disorder where a person's language skills are retarded or abnormally poor for unknown reasons.

a sign language that is predominantly used by Palestinians

(philosophy) The argument, famously made by Ludwig Wittgenstein (1889-1951), that a private language cannot exist.

(philosophy) The problem, considered by Ludwig Wittgenstein (1889-1951) and other philosophers, of whether it is possible for a private language to exist.

(philosophy) The thesis or contention that a private language cannot exist.