noun

dioxide

dioxide

Carbon dioxide is a greenhouse gas.

Carbon dioxide is a greenhouse gas.

((element)) ((dioxide)) a chemical compound of an element with two atoms of oxygen Carbon dioxide is a greenhouse gas.

Synonyms: N/A (specific chemical term)

From `di-` ('two') + `oxide` (a compound with oxygen). It means an oxide with two oxygen atoms.

The prefix 'di-' means two, as in 'dilemma'. It's an oxide with two oxygen atoms, most famously in 'carbon dioxide'.

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