thunderegg
thunderegg noun: a roughly spherical, nodule-like geological structure, similar to a geode, that is formed within a rhyolitic lava flow.
Noun
thunderegg (plural thundereggs)
Forms of thunderegg
| plural | thundereggs |
|---|---|
| alternative form | thunder egg |
Origin of thunderegg
From thunder + egg.
Questions about thunderegg
- What does thunderegg mean?
- Thunderegg means a roughly spherical, nodule-like geological structure, similar to a geode, that is formed within a rhyolitic lava flow.
- What part of speech is thunderegg?
- Thunderegg is a noun.
- What is the plural of thunderegg?
- The plural of thunderegg is thundereggs.
Words near thunderegg in the dictionary
Source and license
Adapted from Wiktionary: thunderegg (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “thunderegg.” Word.ws, https://word.ws/thunderegg. Based on Wiktionary, CC BY-SA 4.0.
