pressure ridge (in ice)
Technical term used in glaciology and polar science for a ridge formed by the compression of ice sheets or sea ice.
Pressure ridges in the Arctic Ocean can hinder ship navigation.
Wind and ocean currents are involved in the formation of pressure ridges.
Compound of 氷 (ひょう, 'ice'), 丘 (きゅう, 'hill'), and 脈 (みゃく, 'vein' or 'range'), literally 'ice-hill vein/range'. The term is a modern technical coinage for 'pressure ridge' in glaciology.