Word: mainshock
Part of speech: Noun
Syllables: main
shock
Definition: The largest earthquake in a sequence. Sometimes preceded by foreshocks and almost always followed by aftershocks which are of lesser intensity.
Morphemes:
Affix: main
Language: en
PoS: Noun
Meaning: The largest throw in a match at dice; in the game of hazard, a number from one to nine called out by a person before the dice are thrown.
Affix: shock
Language: en
PoS: Noun
Meaning: A sudden, heavy impact.