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Từ điển WordNet v3.1 - WordNet Dictionary
polar


adjective
1. having a pair of equal and opposite charges (Freq. 3)
Similar to:
charged
Derivationally related forms:
pole, polarity
2. characterized by opposite extremes;
completely opposed (Freq. 1)
- in diametric contradiction to his claims
- diametrical (or opposite) points of view
- opposite meanings
- extreme and indefensible polar positions
Syn:
diametric, diametrical, opposite
Similar to:
different
Derivationally related forms:
pole, polarity, oppositeness (for: opposite)
3. 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
Pertains to noun:
pole
Derivationally related forms:
pole
4. of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
- polar regions
Ant:
equatorial
Similar to:
circumpolar, north-polar, Arctic, south-polar, Antarctic
Derivationally related forms:
pole
5. 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
Syn:
pivotal
Similar to:
crucial, important
Derivationally related forms:
pivot (for: pivotal)
6. extremely cold
- an arctic climate
- a frigid day
- gelid waters of the North Atlantic
- glacial winds
- icy hands
- polar weather
Syn:
arctic, frigid, gelid, glacial, icy
Similar to:
cold
Derivationally related forms:
gelidity (for: gelid)

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