Standard Lemma guide

cofinality

noun · 2 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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No pronunciation record was provided for this word.

1

noun

Meaning 1

The least cardinality of a cofinal subset of a partially ordered set.

Definition source: English Wiktionary via Wiktextract

Usage: countable

Topics: mathematics, sciences

Examples

  • The cofinality of any set with a greatest element is 1.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The property of being cofinal.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- English final English cofinal Proto-Indo-European *-teh2 Proto-Indo-European *-ts Proto-Indo-European *-teh2ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English cofinality From cofinal + -ity.

Across languages

Translations

2 source translations are retained for this English entry.

  • Spanish: cofinalidad — the least of cardinalities of cofinal subsets
  • Polish: współkońcowość — the property of being cofinal