subfilter

== English == === Etymology === From sub- +‎ filter. === Noun === subfilter (plural subfilters) A subsidiary filter. === Adjective === subfilter (not comparable) Lying below the range of a filter. ==== Antonyms ==== superfilter === Verb === subfilter (third-person singular simple present subfilters, present participle subfiltering, simple past and past participle subfiltered) (transitive) To filter further (something already filtered).