[ ih-ruhp-tiv ]
/ ɪˈrʌp tɪv /


bursting forth, or tending to burst forth.
pertaining to or of the nature of an eruption.
Geology. noting a rock formed by the eruption of molten material.
Pathology. causing or accompanied by an eruption or rash.


Geology. an eruptive rock.

Nearby words

  1. erudite,
  2. erudition,
  3. erumpent,
  4. erupt,
  5. eruption,
  6. eruptive xanthoma,
  7. eruv,
  8. erv,
  9. ervil,
  10. ervin

Origin of eruptive

From the French word éruptif, dating back to 1640–50. See erupt, -ive

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for eruptive

British Dictionary definitions for eruptive


/ (ɪˈrʌptɪv) /


erupting or tending to erupt
resembling or of the nature of an eruption
(of rocks) formed from such products as ash and lava resulting from volcanic eruptions
(of a disease) characterized by skin eruptions
Derived Formseruptively, adverberuptivity or eruptiveness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for eruptive



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

Online Etymology Dictionary, © 2010 Douglas Harper