cold dark matter

Questions

What does cold dark matter mean?

Dark matter traveling at classical, nonrelativistic speeds.

How to pronounce cold dark matter

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