Word.ws English Dictionary

mainshock

mainshock noun: the largest earthquake in a sequence, sometimes preceded by foreshocks and almost always followed by aftershocks which are of lesser intensity.

Noun

mainshock (plural mainshocks)

  1. The largest earthquake in a sequence, sometimes preceded by foreshocks and almost always followed by aftershocks which are of lesser intensity.

Forms of mainshock

pluralmainshocks

Origin of mainshock

From main + shock.

Questions about mainshock

What does mainshock mean?
Mainshock means the largest earthquake in a sequence, sometimes preceded by foreshocks and almost always followed by aftershocks which are of lesser intensity.
What part of speech is mainshock?
Mainshock is a noun.
What is the plural of mainshock?
The plural of mainshock is mainshocks.

Words near mainshock in the dictionary

  1. mainsborne
  2. mainshaft
  3. mainshafts
  4. mainsheet
  5. mainsheets
  6. mainshock
  7. mainshocks
  8. mainsleaze
  9. mainspace
  10. mainspaced
  11. mainspaces

Source and license

Adapted from Wiktionary: mainshock (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: “mainshock.” Word.ws, https://word.ws/mainshock. Based on Wiktionary, CC BY-SA 4.0.