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Hasil cari dari kata atau frase: Glacial epoch (0.02941 detik)
Found 2 items, similar to Glacial epoch.
English → English (WordNet)
Definition: glacial epoch
glacial epoch
n 1: any period of time during which glaciers covered a large
part of the earth's surface;
“the most recent ice age
was during the Pleistocene” [syn:
ice age,
glacial period
]
2: from two million to 11 thousand years ago; extensive
glaciation of the northern hemisphere; the time of human
evolution [syn:
Pleistocene,
Pleistocene epoch]
English → English (gcide)
Definition: Glacial epoch
Glacial
\Gla"cial\, a. [L. glacialis, from glacies ice: cf. F.
glacial.]
1. Pertaining to ice or to its action; consisting of ice;
frozen; icy; esp., pertaining to glaciers; as, glacial
phenomena. --Lyell.
[1913 Webster]
2. (Chem.) Resembling ice; having the appearance and
consistency of ice; -- said of certain solid compounds;
as, glacial phosphoric or acetic acids.
[1913 Webster]
Glacial acid (Chem.), an acid of such strength or purity as
to crystallize at an ordinary temperature, in an icelike
form; as acetic or carbolic acid.
Glacial drift (Geol.), earth and rocks which have been
transported by moving ice, land ice, or icebergs; bowlder
drift.
Glacial epoch or
Glacial period (Geol.), a period during
which the climate of the modern temperate regions was
polar, and ice covered large portions of the northern
hemisphere to the mountain tops.
Glacial theory or
Glacial hypothesis. (Geol.) See
Glacier theory, under
Glacier.
[1913 Webster]
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