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pressure ridge

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noun
  1. a ridge produced on floating ice by buckling or crushing under lateral pressure of wind or ice.
  2. Geology. a ridge produced on a congealing lava flow by pressure from the still-liquid interior.
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Origin of pressure ridge

First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pressure ridge

Historical Examples

  • The pressure-ridge was an ugly sight, they say, but they could distinguish nothing well in the dark.

    Farthest North

    Fridtjof Nansen

  • I should not like to have that pressure-ridge come in right under the nose of the Fram, as it might soon do some damage.

    Farthest North

    Fridtjof Nansen

  • It was constructed on the pressure-ridge where the boats and part of the stores from the great hummock had been placed.

    Farthest North

    Fridtjof Nansen

  • We first hollowed out a cavity of sufficient size in the pressure-ridge, and then roofed it over with blocks of ice and snow.

    Farthest North

    Fridtjof Nansen

  • A movement began in the pack, and a pressure-ridge started directly for the ship.