polarization

/,poulərai'zeiʃn/

Thân thiện

Light passing through a polarizing filter demonstrates polarization.

Definition

Noun: 1. The condition of having or giving polarity: The state of possessing or exhibiting opposite or contrasting principles, tendencies, or opinions. This often refers to a sharp division within a group, system, or society into two opposing factions. 2. A physical phenomenon in physics: The process or state in which waves, such as light or other electromagnetic radiation, vibrate in a specific, restricted direction rather than in all possible directions perpendicular to the direction of travel.

Usage

• Social/Political Context: Used to describe a deep and widening division within a society, political body, or group, where opinions, beliefs, or support become concentrated at two extreme ends, with diminishing common ground in the center.
  • Example: The polarization of the electorate made bipartisan compromise nearly impossible.
  • Example: Social media algorithms can sometimes increase political polarization.
• Scientific Context: Used to describe the property or process related to waves, especially light, and also applies to electric fields in materials like dielectrics.
  • Example: Sunglasses use polarization to reduce glare from reflected light.
  • Example: The polarization of the radio wave was critical for the antenna's reception.

Advanced Usage

• Dielectric Polarization: In electromagnetism, it refers to the displacement of positive and negative bound charges within an insulating material when an external electric field is applied, creating an internal electric field.
• Group Polarization: In social psychology, it is the tendency for a group to make decisions that are more extreme than the initial inclination of its members after discussion.

Variants and Related Words

• Polarize (verb): To cause to divide into two sharply contrasting groups or sets of beliefs.
  • Example: The controversial issue polarized the community.
• Polar (adjective): 1. Relating to or having poles (as in polar opposite). 2. Relating to the North or South Pole.
• Polarizer (noun): A device, such as a filter, that produces polarized light from unpolarized light.

Synonyms

• (For social context) Division, schism, rift, dichotomy, separation.
• (For physics context) Orientation, alignment, filtering.

Antonyms

• (For social context) Unification, consensus, agreement, unity.
• (For physics context) Unpolarized state, randomness.

Related Phrases/Concepts

• Political Polarization: The specific process by which public opinion divides and goes to the extremes in politics.
• Polarized Light: Light in which the vibrations of the waves are confined to a single plane.
• Magnetic Polarization: The process by which a material becomes magnetized.

Học thuật

Noun

1. the condition of having or giving polarity
2. the phenomenon in which waves of light or other radiation are restricted in direction of vibration

Từ đồng nghĩa

• polarisation