half-open interval

noun

An interval in the real line which contains one of its endpoints but not the other one: i.e., it either contains its supremum or its infimum but not both.

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Meanings

nounhalf-open interval (plural half-open intervals)

plural half-open intervals

  1. mathematicsAn interval in the real line which contains one of its endpoints but not the other one: i.e., it either contains its supremum or its infimum but not both.
Cite this entry
APA

half-open interval. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/half-open%20interval

MLA

“half-open interval.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/half-open%20interval. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “half-open interval,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/half-open%20interval.

Source: half-open interval on Wiktionary, CC BY-SA 4.0.