esker – מילון אנגלי-אנגלי
Esker
An
esker,
eskar,
eschar, or
os, sometimes called an
asar,
osar, or
serpent kame, is a long, winding
ridge of
stratified sand and
gravel, examples of which occur in
glaciated and formerly glaciated regions of Europe and North America. Eskers are frequently several kilometres long and, because of their peculiar uniform shape, are somewhat like
railway embankments.
esker
Noun
1. (geology) a long winding ridge of post glacial gravel and other sediment; deposited by meltwater from glaciers or ice sheets
(hypernym) ridge
(classification) geology
esker
n.
esker
Esker
(n.)
See Eschar.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
esker
A ridge of sediment that forms under a glacier's zone of ablation, made up of sand and gravel deposited by meltwater. An esker may be less than 100 meters or more than 500 kilometers long, and may be anywhere from 3 to over 300 meters high.
