Englishfor English speakers
polar
—
adjective
having a pair of equal and opposite charges
—
adjective
(= diametric, diametrical, opposite)
characterized by opposite extremes; completely opposed
in diametric contradiction to his claims
diametrical (or opposite) points of view
opposite meanings
extreme and indefensible polar positions
—
adjective
of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
polar regions
—
adjective
located at or near or coming from the earth's poles
polar diameter
polar zone
a polar air mass
Antarctica is the only polar continent
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adjective
(= pivotal)
being of crucial importance
a pivotal event
Its pivotal location has also exposed it to periodic invasions
— Henry Kissinger
the polar events of this study
a polar principal
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adjective
(= arctic, frigid, gelid, glacial, icy)
extremely cold
an arctic climate
a frigid day
gelid waters of the North Atlantic
glacial winds
icy hands
polar weather
day
Noun
—
A day is a measure of time.
—
24 hours
—
Seven days make one week
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The time between midnight and the following midnight (or between sunset and sunset in Jewish reckoning)
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The time between sunrise and sunset, when it is daylight
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The part of a day spent at work or school
He spent two days at work means that on two days he went to work; he did not spend 48 hours at work.