intr.v. e·rupt·ed, e·rupt·ing, e·rupts
a. To throw or force something out violently, as lava, ash, and gases: The volcano erupted.
b. To be thrown or forced out: Water erupted from the geyser.
2. To develop suddenly: Violence erupted during the protests.
3. To express oneself suddenly and loudly: He erupted in anger.
a. To break through the gums in developing. Used of teeth.
b. To appear on the skin. Used of a rash or blemish.
[Latin ērumpere, ērupt- : ē-, ex-, ex- + rumpere, to break; see reup- in the Appendix of Indo-European roots.]
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