CO₂

See also: Appendix:Variations of "co"

Translingual

Alternative forms

• CO2 (nonstandard; acceptable when subscripts are not available or cannot be displayed)

Symbol

CO₂

1. Carbon dioxide.

English

Pronunciation

• IPA^(key): /si.oʊ.tu/, /siː.əʊ.tuː/

Noun

CO₂ (uncountable)

1. carbon dioxide.
   • 2009 April 9, Office of the Press Secretary, “President Obama Announces Accelerated Purchase of 17,600 New American Vehicles for Government Fleet”, in White House‎^[1], archived from the original on 2010-03-10:

     By swapping out less efficient federal vehicles for new hybrid and fuel efficient ones, this strategy will reduce gasoline consumption by 1.3 million gallons per year and prevent 26 million pounds of CO₂ from entering the atmosphere.

Usage notes

Be sure to capitalize the O. Else it would mean a diatomic molecule of cobalt.

Synonyms

• carbon dioxide
• carbonic acid gas

Derived terms

• CO₂ emission
• CO₂ emission right
• CO₂-eq.
• CO₂ offset

 

Anagrams

• O. C., O.C., OC, Oc, Oc.

Danish

Etymology

From translingual CO₂.

Pronunciation

• IPA^(key): /seotoːˀ/, [seoˈtˢoˀ]

Noun

CO₂ c (singular definite CO₂'en, not used in plural form)

1. (inorganic chemistry) carbon dioxide

   Synonyms: carbondioxid, kuldioxid, kultveilte

Declension

Declension of CO₂

common gender	Singular
	indefinite	definite
nominative	CO₂	CO₂'en
genitive	CO₂'s	CO₂'ens

Derived terms

• CO₂-afgift
• CO₂-aftryk
• CO₂-belastning
• CO₂-fri
• CO₂-neutral
• CO₂-udledning

 

German

Etymology

From translingual CO₂.

Pronunciation

• IPA^(key): /ˌt͡seːoˈt͡svaɪ̯/

• Audio:

  (file)

Noun

CO₂ n (strong, genitive CO₂, no plural)

1. (inorganic chemistry) carbon dioxide

   Synonyms: Kohlendioxid, Kohlenstoffdioxid

Declension

Declension of CO₂ [sg-only, neuter, strong]

	singular
	indef.	def.	noun
nominative	ein	das	CO₂
genitive	eines	des	CO₂
dative	einem	dem	CO₂
accusative	ein	das	CO₂

Derived terms

• CO₂-Abgabe
• CO₂-Anlage
• CO₂-Anreicherung
• CO₂-Ausstoß
• CO₂-Belastung
• CO₂-Bilanz
• CO₂-Effizienzklasse
• CO₂-Emission
• CO₂-Falle
• CO₂-Fußabdruck
• CO₂-Gesamtemission
• CO₂-Grenzwert
• CO₂-Information
• CO₂-Kompensation
• CO₂-Konzentration
• CO₂-Messgerät
• CO₂-Messung
• CO₂-Molekül
• CO₂-neutral
• CO₂-Preis
• CO₂-Rechner
• CO₂-Reduktion
• CO₂-Reduzierung
• CO₂-Regulierung
• CO₂-Senke
• CO₂-Sensor
• CO₂-Sonde
• CO₂-Steuer
• CO₂-Verminderung
• CO₂-Wert
• CO₂-Zertifikat