Diapir Definition
dīə-pîr
noun
A geological structure formed when a mass of material of high plasticity and low density, such as salt, gypsum, or magma, pushes upward into overlying strata.
American Heritage
A dome formation in which the rigid top layers have been split open by pressure from an underlying plastic core.
Webster's New World
(geology) An intrusion of a ductile rock into an overburden.
Wiktionary
Other Word Forms of Diapir
Noun
Singular:
diapir
Plural:
diapirsOrigin of Diapir
-
French from Greek diapeirein to push through dia- dia- peirein to pierce per-2 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
From Ancient Greek διαπειραίνω (diapeirainō, “to pierce through”).
From Wiktionary
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