pressure ridge


  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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Word History and Origins

Origin of pressure ridge1

First recorded in 1895–1900

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Example Sentences

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

Boats, stores, and camp equipment had to be conveyed across a working pressure-ridge.

Pacing back and forth in the lee of the pressure ridge near which our igloos were built, I made out my program.

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.

The first and most pressing work which we had to take in hand was to remove part of the high-pressure ridge on the port side.


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