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二氧化碳

èr yǎng huà tàn

HSK 3.0 · 7–9HSK 2.0 · 6

Yue Tan · University of Caen; © 2009 Yue Tan. MP3 preparation: Hugo Lopez / audio-cmn · CC BY-SA 3.0 US

èr yǎng huà tàn · ji6 joeng5 faa3 taan3 (Jyutping)

carbon dioxide CO2

Definitions: CC-CEDICT contributors · CC BY-SA 4.0 · snapshot 2026-10-09. Display: consolidated readings, linked characters and marked pinyin. Original data

Character breakdown

二

Meaning: two; twice
Radical: 二
Strokes: 2
Components: ⿱一一
Cangjie: MM
Four-corner: 1010.0

氧

Meaning: oxygen (element 8, O)
Radical: 气
Strokes: 10
Components: ⿹气羊
Cangjie: ONTQ
Four-corner: 8051.7

化

Meaning: change, convert, reform; -ize
Radical: 匕
Strokes: 4
Components: ⿰亻匕
Cangjie: OP
Four-corner: 2421.0

碳

Meaning: carbon (element 6, C)
Radical: 石
Strokes: 14
Components: ⿰石炭
Cangjie: MRUMF
Four-corner: 1268.9

Unihan 17.0.0 · Unicode License V3. Make Me a Hanzi · LGPL 3+. Interactive stroke order is available in the study tools.