from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To emerge violently from restraint or limits; explode: My neighbor erupted in anger over the noise.
- intransitive v. To become violently active: The volcano erupted after years of dormancy.
- intransitive v. To force out or release something, such as steam, with violence or suddenness.
- intransitive v. To break through the gums in developing. Used of teeth.
- intransitive v. To appear on the skin. Used of a rash or blemish.
- transitive v. To force out violently.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. to violently eject
- v. to spontaneously release pressure or tension
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To cause to burst forth; to eject.
- intransitive v. To eject something, esp. lava, water, etc., as a volcano or geyser.
- intransitive v. To burst forth; to break out, as ashes from a volcano, teeth through the gums, etc.
from The Century Dictionary and Cyclopedia
- To burst forth suddenly and violently; break or belch out; send forth matter.
- To throw out suddenly and with great violence; emit violently; cast out, as lava from a volcano; belch.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. become active and spew forth lava and rocks
- v. appear on the skin
- v. start abruptly
- v. force out or release suddenly and often violently something pent up
- v. break out
- v. become raw or open
- v. erupt or intensify suddenly
- v. start to burn or burst into flames
Latin ērumpere, ērupt- : ē-, ex-, ex- + rumpere, to break; see reup- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin eruptus, past participle of ērumpō ("to break out (of), to burst out (from)"), from e ("out") + rumpō ("to break"). (Wiktionary)