二 氧 化 碳

èr yǎng huà tàndictionary entry

carbon dioxide CO2

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-f0d024eea15ff214. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

二氧化碳二氧化碳 [er4 yang3 hua4 tan4] /carbon dioxide CO2/

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.

二
èr
two / 2 / (Beijing dialect) stupid
氧
yǎng
oxygen (chemistry)
化
huā
See the full entry for source details.
huà
to make into / to change into / -ization / to ... -ize / to transform / abbr. for 化學|化学[huà xué]
碳
tàn
carbon (chemistry)

Reference definitions from CC-CEDICT.