Pronunciation: /ˈkɑrbən daɪˌɑksaɪd/
noun a compound consisting of one carbon atom and two oxygen atoms
A1 Plants absorb carbon dioxide during photosynthesis.
A2 Carbon dioxide is a greenhouse gas that contributes to global warming.
B1 The levels of carbon dioxide in the atmosphere are steadily increasing.
B2 Carbon dioxide emissions from vehicles are a major contributor to air pollution.
C1 Scientists are researching ways to capture and store carbon dioxide to reduce its impact on the environment.
C2 The chemical formula for carbon dioxide is CO2.
formal Carbon dioxide is a greenhouse gas that is released into the atmosphere through various human activities.
informal Plants take in carbon dioxide and release oxygen during photosynthesis.
slang Dude, did you know that cars emit a ton of carbon dioxide into the air?
figurative His anger was like a cloud of carbon dioxide, suffocating everyone around him.
carbon dioxides
more carbon dioxide
most carbon dioxide
carbon dioxide
will be carbon dioxide
has been carbon dioxide
is being carbon dioxide
carbon dioxide
carbon dioxide
to be carbon dioxide
being carbon dioxide
carbon dioxide