Definitions from the Web
Physics Definition of Plasma
Plasma, in physics, refers to the fourth state of matter, comprising a highly ionized gas in which the atoms have been stripped of their electrons. It is characterized by its unique properties, including conductivity and the ability to generate magnetic fields.
Senses and Usages
- Plasma as a State of Matter: In physics, plasma is defined as one of the fundamental states of matter, distinct from solids, liquids, and gases. It can be found naturally in stars, lightning, and certain laboratory environments.
- Plasma in Plasma Displays: Plasma technology is utilized in plasma displays or Plasma TVs. These displays function by exciting gas molecules in tiny cells, causing them to emit ultraviolet light that, in turn, stimulates the colored phosphors to produce images.
- Plasma in Fusion Energy: Fusion devices, such as tokamaks, rely on plasma physics to confine and heat deuterium and tritium plasmas to extreme temperatures, enabling the release of vast amounts of energy.
- Plasma in Space Exploration: The study of plasma physics plays a crucial role in the research of space plasmas, such as the solar wind, magnetospheres, and astrophysical plasmas.
Sample Sentences
- The Sun is composed of approximately 99% plasma.
- The plasma display technology offers vibrant and high-quality images.
- Scientists are working on advancing plasma physics to achieve sustainable fusion energy.
- The spacecraft is equipped with various instruments to study the properties of plasma in space.
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