ionization
n. uncountablen. the process where an atom or molecule gains or loses electrons to get an electric charge. This often happens because of heat, electricity, or chemicals.
n. the process by which an atom or molecule acquires a negative or positive charge by gaining or losing electrons. Often occurs through high-energy collisions or exposure to electromagnetic radiation.
The ionization of gas creates a glowing effect in neon signs.
In the upper atmosphere, solar radiation causes the ionization of air molecules, creating the ionosphere.
Mass spectrometry relies on the efficient ionization of sample molecules, allowing them to be accelerated and separated by their mass-to-charge ratio within a magnetic field.
Uncountable when referring to the general physical process; can be countable in specific technical descriptions of different methods.