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pressure ridge

a ridge produced on floating ice by buckling or crushing under lateral pressure of wind or ice.
Geology. a ridge produced on a congealing lava flow by pressure from the still-liquid interior.
Origin of pressure ridge
1895-1900 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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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
  • 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.

  • 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

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