二 维 码

èr wéi mǎdictionary entry

2D barcode / matrix code / (esp.) QR code

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-9a3b5e76bad13327. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

二維碼二维码 [er4 wei2 ma3] /2D barcode; matrix code/(esp.) QR code/

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: 二維碼

二
èr
two / 2 / (Beijing dialect) stupid
维
wéi
to preserve / to maintain / to hold together / dimension / vitamin (abbr. for 維生素|维生素[wéi shēng sù])
Wéi
abbr. for Uyghur 維吾爾|维吾尔[Wéi wú ěr] / surname Wei
码
mǎ
(archaic) agate / (bound form) standard weight used with a balance scale / number / (computing) code / (clothing) size / yard (unit of length) / (coll.) kilometers per hour (informal misuse of "yard" to mean kph in speed references) / (coll.) to pile up / to stack / classifier for matters, items, situations etc (esp. when indicating whether they are the same or different, as in 不是一碼事|不是一码事[bù shì yī mǎ shì] "not the same thing") / (Tw, HK) (finance) unit of 25 basis points (i.e. a 0.25% change in interest rate)

Reference definitions from CC-CEDICT.