depolarise

/di:'pouləraiz/ Cách viết khác : (depolarise) /di:'pouləraiz/

Thân thiện

A scientist uses a device to depolarise a light beam in the laboratory.

Definition

1. Verb:
   • To eliminate or reduce polarization: In physics and related fields, "depolarise" (also spelled "depolarize") means to remove or lessen the state of polarization, which is the condition in which waves, such as light or electromagnetic waves, vibrate in a specific, non-random orientation. It describes the process of making something non-polarized or less polarized.

Usage and Examples

• Verb:
  • The filter is designed to depolarise the laser light, making it suitable for the experiment. (The filter removes the specific orientation of the light waves.)
  • Scattering by the atmosphere can depolarise sunlight. (The scattering process reduces the directional vibration of the sunlight.)
  • The chemical reaction helped depolarise the cell membrane. (The reaction reduced the electrical charge difference across the membrane.)

Advanced Usage

• Technical/Scientific Context: Primarily used in physics, optics, electronics, and biology. In biology, it often refers to a reduction in the electrical potential difference across a cell membrane (e.g., in neurons or muscle cells).
  • The incoming signal will depolarise the neuron, potentially triggering an action potential.
• Figurative Use (Rare): Occasionally used in social or political discourse to describe reducing extreme opposing positions.
  • The moderator's goal was to depolarise the tense debate. (The goal was to reduce the extreme polarization of opinions.)

Variants and Related Words

• Depolarize: The preferred spelling in American English.
• Depolarisation (Noun - British) / Depolarization (Noun - American): The act or process of depolarising.
  • The depolarisation of the light was measured.
• Polarise (Verb): To cause to acquire polarity; to divide into sharply opposing groups. (The opposite action).
• Repolarise (Verb): To restore polarization or a polarized state after depolarisation.

Synonyms

• Neutralise (in specific contexts, like electrical charge): To counteract or cancel the effect of.
• Randomise (in the context of wave orientation): To make random, especially the plane of vibration.

Antonyms

• Polarise: To cause to concentrate about two opposing positions; to give polarity to.
• Polarize: The American English spelling of "polarise".

Related Phrases/Idioms

• : (Figurative, specialized) To reduce the intensity of opposing views in a discussion.
  • Her intervention helped to depolarise the discussion and find common ground.

Học thuật

Verb

1. eliminate the polarization of

Từ đồng nghĩa

• depolarize