Phrase guide

regular closed

adj · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

Being the closure of its interior.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable, rare

Topics: mathematics, sciences

Examples

  • The set {0,1,2} is closed, but is not regular closed, because its interior is Ø, so the closure of its interior is Ø.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Apparently a backformation from regular closed set.