- 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
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
The pressure-ridge was an ugly sight, they say, but they could distinguish nothing well in the dark.
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.
It was constructed on the pressure-ridge where the boats and part of the stores from the great hummock had been placed.
We first hollowed out a cavity of sufficient size in the pressure-ridge, and then roofed it over with blocks of ice and snow.
A movement began in the pack, and a pressure-ridge started directly for the ship.The Romance of Polar Exploration
G. Firth Scott