fēi kōngdictionary entry
DEFINITION CC-CEDICT
(math.) (of a set) non-empty / (computing) (of a data structure) non-empty
Sources & editorial notes

Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.

Source record: cd-f9c0b823947b37a4. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

非空 非空 [fei1 kong1] /(math.) (of a set) non-empty; (computing) (of a data structure) non-empty/

Reference definitions and teaching material have separate provenance.

Reference information

The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.

Character information

View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.

  • 非
    fēi

    to not be / not / wrong / incorrect / non- / un- / in- / de- / to reproach / to blame / (coll.) to insist on / simply must

    Fēi

    abbr. for 非洲[Fēi zhōu], Africa

  • 空
    kōng

    empty / air / sky / in vain

    kòng

    to empty / vacant / unoccupied / space / leisure / free time

Reference definitions from CC-CEDICT.