e·rup·tive

[ih-ruhp-tiv]
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.
00:10
Eruptive is always a great word to know.
So is loam. Does it mean:
rich soil containing a relatively equal mixture of sand, silt and a smaller proportion of clay
to dissolve out soluble constituents from ashes and soil by percolation

Origin:
1640–50; < French éruptif. See erupt, -ive

e·rup·tive·ly, adverb
e·rup·tiv·i·ty, e·rup·tive·ness, noun
non·e·rup·tive, adjective
post·e·rup·tive, adjective
pre·e·rup·tive, adjective
pre·e·rup·tive·ly, adverb
un·e·rup·tive, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To eruptive
Collins
World English Dictionary
eruptive (ɪˈrʌptɪv) [Click for IPA pronunciation guide]
 
adj
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
 
e'ruptively
 
adv
 
erup'tivity
 
n
 
e'ruptiveness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences
Earthquakes, volcanic gas emissions, and ground deformation are all at pre-eruptive background levels.
Gradual contraction of a source, distinct from the pre-eruptive inflation sources, is evident from geodetic data.
There were also some occasional grey-colored ash clouds over the eruptive
  crater.
To study this pattern, the scientists examined rocks that spanned all three
  eruptive events.
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