You searched for: “plasma”
Word Entries containing the term: “plasma”
electromagnetic rocket, electromagnetic-rocket engine, plasma rocket
1. A rocket that is accelerated by means of a plasma engine or an electrical-reaction engine in which magnetically accelerated plasma is used as the propellant.
2. An engine for space travel in which neutral plasma is accelerated and directed by external magnetic fields that interact with the magnetic field produced by electric current flow through the plasma.

The term plasma in these definitions refers to a gas-like state of matter consisting of positively charged ions, free electrons, and neutral particles.

Plasma is found in the stars, the sun, the solar wind, in lightning, and in fire.

This entry is located in the following unit: electro-, electr-, electri- (page 41)
ion nitriding, plasma nitriding
1. A process of surface hardening by diffusion of nitrogen ions primaily into steel.
2. A vacuum glow discharge technique of nitriding or the diffusion of nitrogen into alloy steel to form hard nitrides in the surface layer (typically 250µm).

Performed at between 500 and 750 degrees Centigrade from a gas, salt bath, or plasma glow discharge.

This entry is located in the following unit: ion, ion- + (page 3)
Word Entries at Get Words: “plasma”
plasma
1. A gas consisting of electrons and ions; called "the fourth state of matter" because the temperature is too high for whole atoms to exist.
2. The so-called "fourth state of matter", consisting of ions and electrons in equilibrium.

Such a state can be arrived at in regions of very high temperatures; such as, those which exist within stars.

This entry is located in the following unit: Astronomy and related astronomical terms (page 20)