v 1: start abruptly; "After 1989, peace broke out in the former East Bloc" [syn: erupt, break out] 2: erupt or intensify suddenly; "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism" [syn: erupt, irrupt, flare up, flare, break open, burst out] 3: start to burn or burst into flames; "Marsh gases ignited suddenly"; "The oily rags combusted spontaneously" [syn: erupt, ignite, catch fire, take fire, combust, conflagrate] 4: break out; "The tooth erupted and had to be extracted" [syn: erupt, come out, break through, push through] 5: become active and spew forth lava and rocks; "Vesuvius erupts once in a while" [syn: erupt, belch, extravasate] 6: force out or release suddenly and often violently something pent up; "break into tears"; "erupt in anger" [syn: break, burst, erupt] 7: appear on the skin; "A rash erupted on her arms after she had touched the exotic plant" 8: become raw or open; "He broke out in hives"; "My skin breaks out when I eat strawberries"; "Such boils tend to recrudesce" [syn: erupt, recrudesce, break out]
verbEtymology: Latin eruptus, past participle of erumpere to burst forth, from e- + rumpere to break — more at reaveDate: 1657 intransitive verb1.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 eruption transitive verb to force out or release usually suddenly and violently <a volcano erupting lava and ash> • eruptibleadjective • eruptiveadjective • eruptivelyadverb
v.intr. 1 break out suddenly or dramatically. 2 (of a volcano) become active and eject lava etc. 3 a (of a rash, boil, etc.) appear on the skin. b (of the skin) produce a rash etc. 4 (of the teeth) break through the gums in normal development. Derivatives: eruption n. eruptive adj. Etymology: L erumpere erupt- (as E-, rumpere break)
Erupt E*rupt", v. i. [See Eruption.] 1. To eject something, esp. lava, water, etc., as a volcano or geyser. 2. To burst forth; to break out, as ashes from a volcano, teeth through the gums, etc. When the amount and power of the steam is equal to the demand, it erupts with violence through the lava flood and gives us a small volcano. --H. J. W. Dam.
(erupts, erupting, erupted) 1. When a volcano erupts, it throws out a lot of hot, melted rock called lava, as well as ash and steam. The volcano erupted in 1980, devastating a large area of Washington state...VERB: V • eruption (eruptions)...the volcanic eruption of Tambora in 1815.N-VAR: usu with supp 2. If violence or fighting erupts, it suddenly begins or gets worse in an unexpected, violent way. (JOURNALISM) Heavy fighting erupted there today after a two-day cease-fire...= break out VERB: V • eruption...this sudden eruption of violence.N-COUNT 3. When people in a place suddenly become angry or violent, you can say that they erupt or that the place erupts. (JOURNALISM) In Los Angeles, the neighborhood known as Watts erupted into riots...VERB: V into/in n 4. You say that someone erupts when they suddenly have a change in mood, usually becoming quite noisy. Then, without warning, she erupts into laughter...VERB: V into/in n • eruption...an eruption of despair.N-COUNT 5. If your skin erupts, sores or spots suddenly appear there. At the end of the second week, my skin erupted in pimples.VERB: V in/into n, also V • eruption...eruptions of adolescent acne.N-COUNT: with supp