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eruptive

[ih-ruhp-tiv] /ɪˈrʌp tɪv/
adjective
1.
bursting forth, or tending to burst forth.
2.
pertaining to or of the nature of an eruption.
3.
Geology. noting a rock formed by the eruption of molten material.
4.
Pathology. causing or accompanied by an eruption or rash.
noun
5.
Geology. an eruptive rock.
Origin
1640-1650
1640-50; < French éruptif. See erupt, -ive
Related forms
eruptively, adverb
eruptivity, eruptiveness, noun
noneruptive, adjective
posteruptive, adjective
preeruptive, adjective
preeruptively, adverb
uneruptive, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for eruptive
  • To study this pattern, the scientists examined rocks that spanned all three eruptive events.
  • Meanwhile, other critics have condemned this eruptive movie for not holding together.
  • The volcano shows no signs of current eruptive activity.
  • There were also some occasional grey-colored ash clouds over the eruptive crater.
  • Gradual contraction of a source, distinct from the pre-eruptive inflation sources, is evident from geodetic data.
  • Neither of these drilling programs had any effect on the eruptive activity at the respective volcanoes.
  • Earthquakes, volcanic gas emissions, and ground deformation are all at pre-eruptive background levels.
  • The eruption of thick, sluggish lava flows indicates the end of the eruptive cycle.
British Dictionary definitions for eruptive

eruptive

/ɪˈrʌptɪv/
adjective
1.
erupting or tending to erupt
2.
resembling or of the nature of an eruption
3.
(of rocks) formed from such products as ash and lava resulting from volcanic eruptions
4.
(of a disease) characterized by skin eruptions
Derived Forms
eruptively, adverb
eruptivity, eruptiveness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for eruptive
adj.

1640s; see erupt + -ive. Perhaps from French éruptif.

Online Etymology Dictionary, © 2010 Douglas Harper
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