eruptive

comparative more eruptive · superlative most eruptive

1. That erupts or bursts forth.

   ’Tis liſtening fear, and dumb amazement all: / When to the ſtartled eye the ſudden glance / Appears far ſouth, eruptive thro’ the cloud; […]

   a. 1749 (date written), James Thomson, “Summer”, in The Seasons, London: […] A[ndrew] Millar, and sold by Thomas Cadell, […], published 1768, →OCLC, page 88, lines 1128–1130

2. Accompanied by eruptions.

   an eruptive fever

3. geographyProduced by eruption.

   eruptive rocks, such as the igneous or volcanic

   1 more example

   The region is further diversified by short ranges of eruptive mountains.

   1895, J[ohn] W[esley] Powell, “The Valley of the Colorado”, in Canyons of the Colorado, Meadville, PA: Flood & Vincent; republished as The Exploration of the Colorado River and Its Canyons, New York: Dover, 1961, →ISBN, →OCLC, page 35

plural eruptives

1. An eruptive rock, one produced by eruption.