mainshock
/ˈmeɪnʃɒk/Seismology
noun
A major earthquake that is preceded or followed by one or more smaller earthquakes; the largest of a series of shocks or earthquakes.
Origin
Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From main + shock.
- untowardly
- untowardness
- untraceable
- untraceably
- untraced
- untracked
- untraditional
- untrainable
- untrained
- untrammeled
- untrammelled
- untransferable
- untransformed
- untranslatability
- untranslatable
- untranslatably
- untranslated
- untraveled
- untravelled
- untraversable
- untreatable
- untreated
- untrendy
- untried
- untrimmed