ultrafilter

Fetched 2026-10-26 (cache).

Synonyms: ultra filter

Antonyms: ultra filter

Related words from Datamuse; suggestions, not definitions.

Noun

1. A device that performs [[ultrafiltration]].
2. {{lb|en|mathematics|of a set, whose subsets are partially ordered by inclusion}} A proper [[filter]] which has a law of [[dichotomy]] for [[complement]]s.
3. {{lb|en|mathematics|order theory}} A [[filter]] {{gloss|subset of a poset}} that is [[maximal]] as a set with respect to the definition of {{m|en|[[proper]] filter}}.

Verb

1. {{lb|en|transitive}} To filter by [[ultrafiltration]].

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