HSK 6 · Nature

二氧化碳 èryǎnghuàtàn “carbon dioxide” in Chinese

Same in Traditional

What 二氧化碳 means

  1. carbon dioxide
  2. carbon dioxide CO2

How to say 二氧化碳

  • Pitch chart of the fourth tone: falls from high to low, 5 to 1 on the five-level scale二èr4th tone, falling
  • Pitch chart of the third tone: dips low then rises, 2 to 1 to 4 on the five-level scale氧yǎng3rd tone, dipping
  • Pitch chart of the fourth tone: falls from high to low, 5 to 1 on the five-level scale化huà4th tone, falling
  • Pitch chart of the fourth tone: falls from high to low, 5 to 1 on the five-level scale碳tàn4th tone, falling

二氧化碳 in a sentence

  1. 树木排出氧气，吸收二氧化碳。

    Shùmù páichū yǎngqì, xīshōu èryǎnghuàtàn.

    Trees give off oxygen and absorb carbon dioxide.

    Sentence #380720 from Tatoeba · translation adapted

How 二氧化碳 is built

Each colour is one part of the character. Parts repeat across thousands of characters, so learning them makes new words easier. See all 214 in our radicals chart.

The character 二 (èr) with each of its parts in a different colour
二èrtwo
  • 一one · yī
  • 一one · yī

Memory aidTwo strokes for two.

The character 氧 (yǎng) with each of its parts in a different colour
氧yǎngoxygen
  • 气air · qìMeaning part
  • 羊sheep · yángSound part

气 hints at the meaning (air); 羊 (yáng) hints at the sound. Compare it with yǎng.

The character 化 (huà) with each of its parts in a different colour
化huàto make into
  • 亻person form of 人 · rén
  • 匕spoon · bǐ

Memory aidA person 亻 next to a person turned upside down 匕: to change, to transform.

The character 碳 (tàn) with each of its parts in a different colour
碳tàncarbon
  • 石stone · shíMeaning part
  • 炭carbon · tànSound part

石 hints at the meaning (stone); 炭 (tàn) hints at the sound. Compare it with tàn.

How to write 二氧化碳

二 2 strokes · 氧 10 strokes · 化 4 strokes · 碳 14 strokes

Watch the order, then press Try writing it and draw each stroke in the grid. Each stroke is checked as you go.

二氧化碳 (èryǎnghuàtàn) stroke order chart: each stroke of the characters in the order you write them
Stroke order chart for 二氧化碳 (èryǎnghuàtàn). Red marks the next stroke, so you can copy it onto paper one step at a time.

Words related to 二氧化碳

Words with 二

二èr · two

Words with 氧

氧气yǎngqì · oxygen

Words with 化

变化biànhuà · change文化wénhuà · culture消化xiāohuà · to digest (food or information)化学huàxué · chemistry化验huàyàn · laboratory test化妆huàzhuāng · to put on make-up恶化èhuà · to worsen简化jiǎnhuà · to simplify进化jìnhuà · evolution化肥huàféi · chemical fertiliser

More words: Nature & Environment

丛cóng · clump淡水dànshuǐ · fresh water堤坝dībà · dam陡峭dǒuqiào · steep泛滥fànlàn · to flood繁殖fánzhí · to breed飞禽走兽fēiqínzǒushòu · birds and beasts沸腾fèiténg · to boil

FAQs

二氧化碳 (èryǎnghuàtàn) means “carbon dioxide” or “carbon dioxide CO2”. It is an HSK 6 word.
Say it èryǎnghuàtàn: èr with a 4th tone, then yǎng with a 3rd tone, then huà with a 4th tone, then tàn with a 4th tone. Press Listen at the top of this page to hear it, or Slowly to hear each tone clearly.
Yes. 二氧化碳 is written the same way in Simplified and Traditional characters.
Add a Chinese (Simplified) pinyin keyboard to your phone or computer, type eryanghuatan with no tone marks or spaces, then choose 二氧化碳 from the suggestions. Typing eryanghuatan into this dictionary’s search box finds it too.
二氧化碳 is an HSK 6 word in the HSK 2.0 word lists.

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Sources: meaning and pinyin checked by a native Mandarin teacher against the official HSK lists. Extra meanings from CC-CEDICT (CC BY-SA 4.0). Example sentences from Tatoeba (CC BY 2.0 FR). Character parts and stroke order from Make Me a Hanzi.