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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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British Dictionary definitions for post 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 post eruptive

eruptive

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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