ionization

noun
UK /ˌaɪənaɪˈzeɪʃən/
US /ˌaɪənəˈzeɪʃən/

Ionization is when an atom gets a charge by losing or gaining electrons.

The ionization of air molecules creates the charged particles that let lightning travel.


OTHER MEANINGS

2. The process of producing ions in a gas or solution, often by heat, electricity, or radiation.

Ionization of the gas inside the tube made it glow.

3. The formation of ions in a liquid, such as when an acid dissolves in water.

The ionization of hydrochloric acid in water releases hydrogen ions.

4. The conversion of atoms or molecules into ions in a mass spectrometer or similar instrument.

The sample underwent ionization before being analyzed.