èr cì hán shùdictionary entry
DEFINITION CC-CEDICT
quadratic function
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-f22039c5b40a4d79. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

二次函數 二次函数 [er4 ci4 han2 shu4] /quadratic function/

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.

Other forms in these source records: 二次函數

  • 二
    èr

    two / 2 / (Beijing dialect) stupid

  • 次
    cì

    next in sequence / second / the second (day, time etc) / secondary / vice- / sub- / infra- / inferior quality / substandard / order / sequence / hypo- (chemistry) / classifier for enumerated events: time

  • 函
    hán

    envelope / case / letter

  • 数
    shǔ

    to count / to count as / to regard as / to enumerate / to list

    shù

    number / figure / several / a few

    shuò

    (literary) frequently / repeatedly

Reference definitions from CC-CEDICT.