unipolar

Thân thiện

A scientist points to a unipolar magnet in a physics demonstration.

Definition

1. Adjective:
   • Having a single pole: In physics and electronics, describes a system, device, or signal that operates with or has only one distinct pole, polarity, or direction.

Usage

• The term "unipolar" is primarily used in technical and scientific contexts, such as electrical engineering, physics, and medicine (e.g., in psychiatry, to describe a type of mood disorder). It describes something that exists in or uses only one state, direction, or polarity, as opposed to "bipolar."

Examples

• Adjective:
  • The sensor uses a unipolar output signal, ranging from 0 to 5 volts.
  • In early electrical experiments, they generated unipolar induction.
  • The diagnosis was unipolar depression, distinct from bipolar disorder.

Advanced Usage

• "Unipolar world": In political science, a geopolitical structure dominated by a single superpower or center of power.
  • The post-Cold War era was often described as a unipolar world with American hegemony.

Variants and Related Words

• Unipolarity (n): The state or condition of being unipolar, especially in international relations.
  • Scholars debate the stability of unipolarity in the global system.

Synonyms

• Single-pole: Having one pole.
• Monopolar: Having one pole (used in specific technical contexts like certain medical procedures).

Antonyms

• Bipolar: Having two poles.
• Multipolar: Having multiple poles.

Học thuật

Adjective

1. having a single pole