Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A segment of the crust of the Earth that bends downward

Etymologies

Sorry, no etymologies found.

Examples

  • Contemporaneous lava flows interbedded with the strata show that volcanic action accompanied the downwarp, and that molten rock was driven upward through fissures in the crust and outspread over the sea floor in sheets of lava.

    The Elements of Geology

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