Main Entry: erupt

Pronunciation: \i-ˈrəpt\

Function: verb

Etymology: Latin eruptus, past participle of erumpere to burst forth, from e- + rumpere to break — more at reave

Date: 1657

intransitive verb 1 a (1) : to burst from limits or restraint (2) of a tooth : to emerge through the gum b : to force out or release suddenly and often violently something (as lava or steam) that is pent up c : to become active or violent especially suddenly : break forth <war could erupt at any moment> <the audience erupted in applause>
2 : to break out with or as if with a skin eruptiontransitive verb : to force out or release usually suddenly and violently <a volcano erupting lava and ash>

— erupt·ible \-ˈrəp-tə-bəl\ adjective

— erup·tive \-tiv\ adjective

— erup·tive·ly adverb