caesium-137

Questions

What does caesium-137 mean?

A radioactive isotope of caesium, 13755Cr, having 55 protons and 82 neutrons and which is formed mainly as a fission product by nuclear fission.

How to pronounce caesium-137

1. Open the pronunciation page — Open the Speakur entry for “caesium-137”.
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 “caesium-137”.
4. Repeat and practice — Say “caesium-137” aloud, matching stress and vowels until it feels natural.