S-expression

A form of symbolic expression — A means of representing semistructured data in human-readable text form, mostly composed of symbols and lists and extensively used in the Lisp programming language.

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Meanings

nounS-expression (plural S-expressions)

plural S-expressions

  1. abbreviationcomputingAbbreviation of symbolic expression.

Synonyms & antonyms

Also see
symbolic expression
Cite this entry
APA

S-expression. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/S-expression

MLA

“S-expression.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/S-expression. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “S-expression,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/S-expression.

Source: S-expression on Wiktionary, CC BY-SA 4.0.