diapir

noun di·a·pir \ ˈdī-ə-ˌpir \

Definition of diapir

:an anticlinal fold in which a mobile core has broken through brittle overlying rocks

diapiric

play \ˌdī-ə-ˈpir-ik\ adjective

Origin and Etymology of diapir

French, probably from Greek diapeirein to drive through, from dia- + peirein to pierce; akin to Greek poros passage — more at fare


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