empty string

noun

A string with a length of zero.

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Meanings

nounempty string (plural empty strings)

plural empty strings

  1. computingA string with a length of zero.

Origin

From empty (“containing no elements”) + string (“ordered sequence of text characters”).

Full word history & related roots →
Cite this entry
APA

empty string. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/empty%20string

MLA

“empty string.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/empty%20string. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “empty string,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/empty%20string.

Source: empty string on Wiktionary, CC BY-SA 4.0.