megaquake en · NOUN
Etymology
Etymology tree Proto-Indo-European *méǵh₂s Proto-Hellenic *mégas Ancient Greek μέγᾰς (mégăs)der. English mega- English quake English megaquake From mega- + quake.
Meanings
- A megathrust earthquake.
- A very powerful earthquake, generally rated above 7 on the Richter scale.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| megaquakes | Number=Plur | lexicographic |