Definition of Glaceir
Glacier, a more or less snow-white mass of ice occupying an Alpine
valley and moving slowly down its bed like a viscous substance, being fed
by semi-melted snow at the top called nevé and forming streams at the
bottom; it has been defined by Prof. J. D. Forbes (q. v.) as "a
viscous body which is urged down slopes of a certain inclination by the
mutual pressure of its parts"; in the Alps alone they number over 1000,
have an utmost depth of 1500 ft., and an utmost length of 12 m.
- Wikipedia
Gla"cier (?), n. [F. glacier,
fr. glace ice, L. glacies.] An immense field or
stream of ice, formed in the region of perpetual snow, and moving
slowly down a mountain slope or valley, as in the Alps, or over an
extended area, as in Greenland.
&fist; The mass of compacted snow forming the upper part of a
glacier is called the firn, or névé; the
glacier proper consist of solid ice, deeply crevassed where broken up
by irregularities in the slope or direction of its path. A glacier
usually carries with it accumulations of stones and dirt called
moraines, which are designated, according to their position,
as lateral, medial, or terminal (see
Moraine). The common rate of flow of the Alpine glaciers is
from ten to twenty inches per day in summer, and about half that in
winter.
Glacier theory (Geol.), the theory
that large parts of the frigid and temperate zones were covered with
ice during the glacial, or ice, period, and
that, by the agency of this ice, the loose materials on the earth's
surface, called drift or diluvium, were transported and
accumulated.
- Webster's Unabridged Dictionary (1913)
- A large body of ice which moves under its own mass, usually downhill, acting as a juggernaught to all in its path.
French
- glacier
- ice-cream shop
- The Nuttall Encyclopedia
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