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The ejection of solid, liquid, or gaseous material from a volcano.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

What does it mean when you dream about an eruption?

An eruption, such as a volcanic eruption, usually indicates the forceful breakthrough of unconscious material—repressed thoughts or urges—into consciousness. More generally, an eruption may indicate an upheaval in one’s life.

The Dream Encyclopedia, Second Edition © 2009 Visible Ink Press®. All rights reserved.
References in periodicals archive ?
* The differential diagnosis for eruptive xanthoma includes xanthoma disseminatum, non-Langerhans cell histiocytoses (eg, generalized eruptive histiocytosis), and cutaneous mastocytosis.
Some types of supernovae have been seen to experience eruptive blasts like that of Eta Carinae in only the few years or decades before their final explosion, so some astronomers speculate that Eta Carinae might blow sooner rather than later.
Disseminated eruptive clear cell acanthoma with spontaneous regression: Further evidence of an inflammatory origin?
Our report details two cases of uncommon pilosebaceous tumors, steatocystoma multiplex, and eruptive vellus hair cysts.
The sign of Leser-Trelat with occurrence of multiple eruptive seborrheic keratoses is commonly associated with internal malignancies like gastrointestinal, breast carcinoma, lymphoma, leukemia or melanoma.
Induction of eruptive benign melanocytic naevi by immune suppressive agents, including biologicals.
At the height of each magnetic flip, the sun goes through periods of more solar activity, during which there are more sunspots, and more eruptive events such as solar flares and coronal mass ejections, or CMEs.
Kuwaiti writer and director Sulayman Al-Bassam takes on violence and freedom in the world premiere of In the Eruptive Mode.
However, based on the present survey the lava effusion appears as an interactive play, and involvement of the older volcanics, ascending magma from depth and dual tectonic-magmatism generating the eruptive activity.
The map, by Daniel Coe - formally the Three Sisters Geologic Guide and Recreation Map - also includes a description of the area's eruptive history, along with photographs and illustrations.