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carbon dioxide

Noun CEFR B2
ˌkɑː.bən daɪˈɒk.saɪd

Definitions

The normal oxide of carbon, CO₂; a colorless, odorless gas formed during respiration and combustion and consumed by plants during photosynthesis.

uncountable

Equivalents

40 more languages
Bahasa Indonesiakarbonkarbon dioksida
Kurdîkarbon
Bahasa Melayukarbon dioksida
Nederlandskooldioxide
Svenskakoldioxid

Examples

There were dozens of presentations in 2008, including: […”
Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: the ability to convert water and carbon dioxide into carbohydrates and waste oxygen using solar energy.”
Each year, human activities release more carbon dioxide into the atmosphere than natural processes can remove, causing the amount of carbon dioxide in the atmosphere to increase.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

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