CO2 (redirected from CO2 pistol)

(sē´ô`tŌ`)

n.

1.

the chemical formula for carbon dioxide, a heavy odorless gas (CO2) formed during respiration and by the combustion or decomposition of organic substances; it is absorbed from the air by plants in photosynthesis. The formula itself, pronounced out, is often used instead of the full name, especially with reference to fire extinguishers using this gas for fire suppression; as, a CO2 extinguisher.

Thesaurus

Noun

1.

CO2 - a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis carbon dioxide, carbonic acid gas blackdamp, chokedamp - the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life 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