Origin of diapir
1915–20; < French, said to be < Greek diapeírein to drive through, pierce; dia- dia- + peírein to pierce
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- geology an anticlinal fold in which the brittle overlying rock has been pierced by material, such as salt, from beneath
C20: from Greek diapeirainein to make holes through, pierce
- A fold or dome, such as an anticline, in which the upper strata of sediment or rock have been ruptured by the upward movement of more plastic rock, such as a body of salt, gypsum, or lava.
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