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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 Indo-European roots.]

e·rup′tive adj.
e·rup′tive·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. erupting or tending to erupt
2. resembling or of the nature of an eruption
3. (Geological Science) (of rocks) formed from such products as ash and lava resulting from volcanic eruptions
4. (Pathology) (of a disease) characterized by skin eruptions
eˈruptively adv
eˌrupˈtivity, eˈruptiveness n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ɪˈrʌp tɪv)

1. bursting forth.
2. pertaining to or of the nature of an eruption.
3. noting a rock formed by the eruption of molten material.
4. causing or accompanied by a rash or the like.
[1640–50; < French]
e•rup′tive•ly, adv.
e•rup•tiv′i•ty, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.eruptive - producing or characterized by eruptions; "an eruptive disease"
2.eruptive - produced by the action of fire or intense heat; "rocks formed by igneous agents"
geology - a science that deals with the history of the earth as recorded in rocks
3.eruptive - actively spewing out lava; "a geyser is an intermittently eruptive hot spring"
active - (of e.g. volcanos) erupting or liable to erupt; "active volcanos"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
At the bottom of the circle, as if enclosed in a jewel case, sparkled for one instant two or three eruptive cones, like enormous dazzling gems.
The 'blood royal' is an extremely thick, depraved fluid; formed principally of raw fish, bad brandy, and European sweetmeats, and is charged with a variety of eruptive humours, which are developed in sundry blotches and pimples upon the august face of
San Carlos, Chiloe -- Osorno in eruption, contemporaneously with Aconcagua and Coseguina -- Ride to Cucao -- Impenetrable Forests -- Valdivia Indians -- Earthquake -- Concepcion -- Great Earthquake -- Rocks fissured -- Appearance of the former Towns -- The Sea Black and Boiling -- Direction of the Vibrations -- Stones twisted round -- Great Wave -- Permanent Elevation of the Land -- Area of Volcanic Phenomena -- The connection between the Elevatory and Eruptive Forces -- Cause of Earthquakes -- Slow Elevation of Mountain-chains
There is no such place in that part now; but it remained there for many years, looking with a baulked countenance at the wilderness patched with unfruitful gardens and pimpled with eruptive summerhouses, that it had meant to run over in no time.
Vent forecast maps have so far been mainly based on the spatial distribution of past vents: "Volcanologists often assume that the volcano will behave like it did in the past", Rivalta noted, adding that the problem is that often only a few tens of vents are visible on the volcano surface as major eruptive episodes tend to cover or obliterate past eruptive patterns.
"After our Sun passes the current solar minimum, solar activity, like eruptive prominences are expected to become more common over the next few years," NASA said in a ( statement.
Eugenio Privitera, director of Catania National Institute of Geophysics and Volcanology (INGV) said: "We are starting a new eruptive phase of Etna which could end soon or last months.
Nonetheless we are not discounting possible small eruptive activities that is why we are maintaining a monitoring station,' Solidum added.
Based on the morphology, distribution, and abrupt onset of the diffuse nonpruritic papules in this morbidly obese (but otherwise systemically well) middle-aged man, a clinical diagnosis of eruptive xanthoma was suspected.
The mycobacterium leprae that causes leprosy is unknown in Jesus' time; hence, the term leprosy (Hebrew zerrat) refers to any eruptive skin disease characterized by the appearance of rough, scaly patches on the skin.
Phivolcs lowers alert level on Kanlaon !-- -- Gaea Katreena Cabico ( - January 11, 2019 - 10:10am MANILA, Philippines The country's volcanology agency on Friday lowered the alert status for Kanlaon Volcano in Negros Island, signifying that no eruptive activity is expected in the immediate future.