Welcome to ChineseFrequencyDictionary.com. Enter a Chinese character or compound Chinese word to lookup. If a valid dictionary entry is found, frequency information will be shown below:

Chinese Character/Word:

Definition(s) for: 二氧化碳

Hanzi Pinyin Definition(s)
二氧化碳 èr yǎng huà tàn - carbon dioxide CO2

List Ranking:

Where rank 1 is most common, and higher numbers are less common.

HSK 2 Level (2012) HSK 3 Band (2022) SUBTLEX-CH BeijingUni Global BeijingUni Weibo
6 8 11,813 14,503 18,564

Individual Character Breakdown:

Simp Pinyin Eng
二 èr- two
- 2
- (Beijing dialect) stupid
氧 yǎng- oxygen (chemistry)
化 huā- variant of 花[hua1]
化 huà- to make into
- to change into
- -ization
- to ... -ize
- to transform
- abbr. for 化學|化学[hua4 xue2]
碳 tàn- carbon (chemistry)

Other Words Containing 二氧化碳

Sorted by the 'SUBTLEX-CH' rank because that seems like the most reliable. Words without a SUBTLEX-CH rank are ignored for being too rare.

Word HSK 2 Level (2012) HSK 3 Band (2022) SUBTLEX-CH BeijingUni Global BeijingUni Weibo
二氧化碳 6 8 11,813 14,503 18,564