Meanings
nounclosed interval (plural closed intervals)
plural closed intervals
- mathematicsan interval in the real number line which contains its supremum and infimum.
Antonyms: open interval
Synonyms & antonyms
nounan interval in the real number line which contains its supremum and infimum.
Opposite
More synonyms by meaning
nounan interval that includes its endpoints
Similar
bounded interval
Opposite
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Catalan interval tancat
- interval tancatTranslations
Chinese Mandarin 閉區間 /闭区间
- 閉區間 /闭区间 (bìqūjiān)Translations
Czech uzavřený interval
- uzavřený intervalTranslations
French intervalle fermé
- intervalle ferméTranslations
Italian intervallo chiuso
- intervallo chiusoTranslations
Korean 닫힌구간, 폐구간
- 닫힌구간 (dachin'gugan)Translations
- 폐구간 (pyegugan)Translations
Portuguese intervalo fechado
- intervalo fechadoTranslations
Spanish intervalo cerrado
- intervalo cerradoTranslations
Cite this entry
APA
closed interval. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/closed%20interval
MLA
“closed interval.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/closed%20interval. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “closed interval,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/closed%20interval.
Source: closed interval on Wiktionary, CC BY-SA 4.0.