Search results
- Dictionaryserac/ˈsɛrak/
noun
- 1. a pinnacle or ridge of ice on the surface of a glacier.
Powered by Oxford Dictionaries
A serac ( / sɛˈrækˌˈsɛræk /) (from Swiss French sérac) is a block or column of glacial ice, often formed by intersecting crevasses on a glacier. Commonly house-sized or larger, they are dangerous to mountaineers, since they may topple with little warning. Even when stabilized by persistent cold weather, they can be an impediment to glacier travel.
Dec 8, 2017 · A serac is formed where two or more deep cracks that have been formed on ice sheets and glaciers, commonly referred to as crevasses, intersect with each other. At the point of intersection of the crevasses, a column of glacial ice is deposited, forming blocks of ice.
noun. se· rac sə-ˈrak. sā- : a pinnacle, sharp ridge, or block of ice among the crevasses of a glacier. Examples of serac in a Sentence. Recent Examples on the Web In 2014, 16 Sherpas perished when a serac fell from the ridge and crashed onto a team fixing ladders across a crevasse.
Sea ice consists of frozen saltwater that has been broken up and jammed together by wind. In most cases, it is only one to two years old, and it expands during winter to cover large areas of the oceans. During spring and summer, warmer temperatures cause the ice to melt, resulting in a retreat of its borders.
noun Word forms: plural -racs (-ˈræks, French -ˈʀak) a large irregularity of glacial ice, as a pinnacle found in glacial crevasses and formed by melting or movement of the ice. Also: serac. Most material © 2005, 1997, 1991 by Penguin Random House LLC.
Sérac definition: a large irregularity of glacial ice, as a pinnacle found in glacial crevasses and formed by melting or movement of the ice.. See examples of SÉRAC used in a sentence.
sérac. ( ˈsɛræk) n. (Physical Geography) a pinnacle of ice among crevasses on a glacier, usually on a steep slope. [C19: from Swiss French: a variety of white cheese (hence the ice that it resembles) from Medieval Latin serācium, from Latin serum whey]
A serac is a large freestanding column of glacial ice formed when a glacier is broken up by intersecting crevasses, in icefalls or on the faces of the terminal ends of a glacier, especially that of hanging glaciers.
A "serac" is a group or column of ice intersecting crevasses on a glacier. It is unclear if the men were the victims of a second serac fall, an avalanche or perhaps a regular fall leaving them tangled in the ropes. These examples are from corpora and from sources on the web.
an isolated block of ice that is formed where the glacier surface is fractured.
