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  1. Plasma (physics) - Wikipedia

    Plasma is typically an electrically quasineutral medium of unbound positive and negative particles (i.e., the overall charge of a plasma is roughly zero). Although these particles are unbound, they are not …

  2. PLASMA Definition & Meaning - Merriam-Webster

    : a collection of charged particles (as in the atmospheres of stars or in a metal) containing about equal numbers of positive ions and electrons and exhibiting some properties of a gas but differing from a …

  3. Plasma | Physics, State of Matter, & Facts | Britannica

    Nov 22, 2025 · Plasma, in physics, an electrically conducting medium in which there are roughly equal numbers of positively and negatively charged particles, produced when the atoms in a gas become …

  4. What Is Plasma? | MIT Plasma Science & Fusion Center

    Plasma, the fourth state of matter, is a superheated gas so energetic its electrons have been stripped away. Stars like our sun are made of plasma.

  5. Plasma Definition in Chemistry and Physics - ThoughtCo

    Jun 10, 2025 · Plasma is a state of matter made from charged particles, like ions and electrons. Plasma is found in both man-made objects like neon lights and natural phenomena like lightning. Plasma can …

  6. Science Made Simple: What Is Plasma? - SciTechDaily

    May 22, 2024 · Plasma is one of the four fundamental states of matter, alongside gases, liquids, and solids. While most people don’t think about plasma in their daily lives the way they think about other …

  7. About Plasmas and Fusion - Princeton Plasma Physics Laboratory

    Plasma is a state of matter along with solids, liquids and gases. When a neutral gas is heated such that some of the electrons are freed from the atoms or molecules, it changes state and becomes a …

  8. PLASMA Definition & Meaning | Dictionary.com

    PLASMA definition: the liquid part of blood or lymph, as distinguished from the suspended elements. See examples of plasma used in a sentence.

  9. What is plasma? Definition, types and importance in health and …

    What is plasma? Plasma is the clear, pale yellow liquid portion of blood that suspends blood cells and makes up around 55% of total blood volume.

  10. What Is Plasma in Blood? - Cleveland Clinic

    Plasma might be mostly water, but it’s still one of the most essential substances in your body. It’s what gives your blood the ability to flow as a liquid, and it carries everything that your cells need to survive.