thunderegg

Questions

What does thunderegg mean?

A roughly spherical, nodule-like geological structure, similar to a geode, that is formed within a rhyolitic lava flow.

Where does thunderegg come from?

From thunder + egg.

How to pronounce thunderegg

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