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Definitions

carbon dioxide

[kahr-buhn dahy-ok-sahyd] / ˈkɑr bən daɪˈɒk saɪd /
NOUN
colorless odorless gas
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The leftover carbon dioxide will be stored deep beneath the North Sea in sedimentary bedrock and will gradually mineralize over time.

From The Wall Street Journal • Mar. 26, 2026

However the increase in concentrations of heat-trapping greenhouse gases -- carbon dioxide, methane and nitrous oxide -- "to their highest level in at least 800,000 years" has "upset this equilibrium", the WMO said.

From Barron's • Mar. 23, 2026

The World Meteorological Organization says that our planet is gaining much more heat energy than it can release, driven by emissions of warming gases such as carbon dioxide.

From BBC • Mar. 23, 2026

Users can switch between different conditions, including color, carbon dioxide, both, or neither, and observe how up to 20 mosquitoes respond.

From Science Daily • Mar. 22, 2026

The animals and people in the town, as they breathed, would use up oxygen and produce carbon dioxide.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins