Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “carbon dioxide”

See all translations

carbon dioxide

noun [U]
 
 
( also carbon, abbreviation CO2)
ENVIRONMENT the gas formed when carbon is burned, or when people or animals breathe out. Carbon dioxide is a greenhouse gas: The UK plans to reduce carbon dioxide emissions by 60% by 2050. Hotter days could be ahead as the carbon dioxide levels in Earth's atmosphere continue to rise.emit/release carbon dioxide Human energy consumption releases carbon dioxide into the atmosphere. absorb/capture carbon dioxide
→  Compare carbon monoxide
Translations of “carbon dioxide”
in Korean 이산화탄소…
in Arabic ثاني أكسيد الكَربون…
in Portuguese dióxido de carbono…
in Catalan diòxid de carboni…
in Japanese 二酸化炭素…
in Italian diossido di carbonio…
in Chinese (Traditional) 二氧化碳…
in Russian углекислый газ…
in Turkish karbondioksit…
in Chinese (Simplified) 二氧化碳…
in Polish dwutlenek węgla…
(Definition of carbon dioxide from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of carbon dioxide?
Add Cambridge dictionaries to your browser to your website

Definitions of “carbon dioxide” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More