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- Dictionaryserac/ˈsɛrak/
noun
- 1. a pinnacle or ridge of ice on the surface of a glacier.
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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.
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.
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.
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.
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.
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.
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]
Ice pinnacle found on the surface of a glacier and resulting from tensional failure in the more rigid upper crust. This is due to the stretching that occurs when a glacier moves over a convex-up slope, spreads out over a plain, or passes round a bend in its valley. From: serac in A Dictionary of Earth Sciences »
an isolated block of ice that is formed where the glacier surface is fractured.
