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Ice age
Meaning
Noun
●
In Sciences:
A
period
of
long-term
reduction
in the
temperature
of Earth's
surface
and
atmosphere
,
resulting
in the presence of
major
polar ice
sheets
that
reach
the
ocean
and
calve
ice
bergs.
●
In Time:
Any of several
glacial
periods
(within a
scientific
ice age
)
marked
by
episodes
of
extensive
glaciation
alternating
with
episodes
of
relative
warmth
(interglacial).
●
Alternative letter-case form of
ice
age
Sourced from
Wiktionary
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