Moonquake definition
A quake or series of vibrations on the moon similar to an earthquake but usually of very low magnitude.
noun
A trembling of the surface of the moon, thought to be caused by internal rock slippage or, possibly, meteorite impact.
noun
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Other Word Forms
Noun
Singular:
moonquake
Plural:
moonquakesOrigin of moonquake
- Blend of moon and earthquake
From Wiktionary