tuì hēi jī sùdictionary entry
DEFINITION CC-CEDICT
(biochemistry) melatonin
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-451308759406d16d. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

褪黑激素 褪黑激素 [tui4 hei1 ji1 su4] /(biochemistry) melatonin/

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.

  • 褪
    tuì

    to take off (clothes) / to shed (feathers) / (of color) to fade / (fig.) (of emotions, awareness etc) to fade / Taiwan pr. [tùn]

    tùn

    to slip out of sth / to hide sth in one's sleeve

  • 黑
    hēi

    black / dark / sinister / secret / shady / illegal / to hide (sth) away / to vilify / (loanword) to hack (computing)

    Hēi

    short name for Heilongjiang 黑龍江|黑龙江[Hēi lóng jiāng]

  • 激
    jī

    to arouse / to incite / to excite / to stimulate / sharp / fierce / violent

  • 素
    sù

    raw silk / white / plain, unadorned / vegetarian (food) / essence / nature / element / constituent / usually / always / ever

Reference definitions from CC-CEDICT.