polar

/'poulə/

Thân thiện

The polar bear is walking across the vast, icy landscape.

Definition

1. Adjective:
   • Relating to a geographical pole: Of, near, or coming from the North or South Pole, or the region around them.
   • Characterized by extreme cold: Extremely and bitingly cold; frigid.
   • Having opposite extremes: Characterized by complete opposition or diametrical difference.
   • Having polarity: Possessing two opposite or contrasting poles, principles, or directions, such as magnetic or electrical poles.

Usage Examples

• Adjective (Geographical):
  • Scientists study polar ice caps to understand climate change.
  • Polar bears are adapted to survive in the Arctic.
• Adjective (Extreme Cold):
  • The explorers faced polar winds that cut through their warmest clothing.
  • A polar vortex brought record-low temperatures to the region.
• Adjective (Opposite Extremes):
  • Their opinions on the matter were polar; one was fully in favor, the other completely opposed.
  • The debate highlighted the polar ideologies within the political party.
• Adjective (Having Polarity):
  • A polar molecule has a positive end and a negative end.
  • The magnet's polar alignment determines its attraction or repulsion.

Advanced Usage

• "Polar opposite": Used to emphasize a complete and direct opposition between two things or people.
  • Their personalities are polar opposites; one is very outgoing, the other is extremely shy.
• In scientific contexts, "polar" can describe a coordinate system (polar coordinates) or a type of bond (polar covalent bond).

Variants and Related Words

• Polarity (n): The state of having two opposite or contradictory tendencies, opinions, or aspects.
  • The polarity of public opinion made consensus impossible.
• Polarize (v): To cause people or opinions to divide into two sharply contrasting groups.
  • The controversial issue polarized the community.
• Polarization (n): The division into two opposites.
  • Political polarization is increasing in many countries.
• Bipolar (adj): Having two poles or extremities; often used in contexts like geography (bipolar world) or medicine (bipolar disorder).

Synonyms

• Antarctic/Arctic: Pertaining to the South or North Pole regions.
• Frigid: Very cold in temperature.
• Diametrical: Completely opposed.
• Opposite: Directly contrary.

Related Phrases

• Polar front: (Meteorology) The boundary between cold polar air and warm tropical air.
• Polar night: The period during winter in polar regions when the sun does not rise above the horizon.
• Polar circle: Either the Arctic Circle or the Antarctic Circle.

Học thuật

Adjective

1. 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
2. extremely cold
   • an arctic climate
   • a frigid day
   • gelid waters of the North Atlantic
   • glacial winds
   • icy hands
   • polar weather
3. of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
   • polar regions
4. 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
5. 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
6. having a pair of equal and opposite charges

Từ đồng nghĩa

• pivotal
• arctic
• frigid
• gelid
• glacial
• icy
• diametric
• diametrical
• opposite