CARBON DIOXIDE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does carbon dioxide mean? 

• CARBON DIOXIDE (noun)
  The noun CARBON DIOXIDE has 1 sense:

1. a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis

  Familiarity information: CARBON DIOXIDE used as a noun is very rare.

 Dictionary entry details 

• CARBON DIOXIDE (noun)

Sense 1

Meaning:

A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis

Classified under:

Nouns denoting substances

Synonyms:

carbon dioxide; carbonic acid gas; CO2

Hypernyms ("carbon dioxide" is a kind of...):

dioxide (an oxide containing two atoms of oxygen in the molecule)

greenhouse emission; greenhouse gas (a gas that contributes to the greenhouse effect by absorbing infrared radiation)

Hyponyms (each of the following is a kind of "carbon dioxide"):

blackdamp; chokedamp (the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life)

Derivation:

carbonate (treat with carbon dioxide)

 Context examples 

A measurement of the carbon dioxide gas in a biological specimen.

(Carbon Dioxide Measurement, NCI Thesaurus/CDISC)

A quantitative measurement of the gas carbon dioxide present in a sample.

(Carbon Dioxide Measurement, NCI Thesaurus)

“We have been working with the industry to provide an early warning system against the most severe impacts of rising carbon dioxide levels.”

(Global ocean is absorbing more carbon from fossil fuel emissions, NOAA)

A device designed to sense the level of or warn of carbon dioxide in a space or environment.

(Carbon Dioxide Monitor Device Component, NCI Thesaurus)

A carbon dioxide monitor assembly designed to be part of another device.

(Carbon Dioxide Monitor Subassembly Device Component, NCI Thesaurus)

Richer carbon dioxide was spurring the marsh sedges to grow more stems in thicker clusters.

(High carbon dioxide can create 'shrinking stems' in marshes, National Science Foundation)

Subsequently, pyruvic acid is metabolized to ultimately yield carbon dioxide and water.

(Cell respiration, NCI Thesaurus)

A method of euthanization whereby a subject inhales carbon dioxide until death occurs.

(Carbon Dioxide Euthanasia, NCI Thesaurus)

Acetazolamide also produces respiratory stimulant effects in response to changes to both carbon dioxide and oxygen tension levels within the lungs.

(Acetazolamide, NCI Thesaurus)

An inhaled form of oxygen and carbon dioxide that has more oxygen than air has.

(Carbogen, NCI Dictionary)