co2

Questions

What does co2 mean?

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

How to pronounce co2

1. Open the pronunciation page — Open the Speakur entry for “co2”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “co2”.
4. Repeat and practice — Say “co2” aloud, matching stress and vowels until it feels natural.