Definitions

1. verb

to cause something to become ionized, especially by the emission or absorption of energy

“The high-energy radiation caused the air to ionize and conduct electricity.”

2. verb

to break down into ions

“The strong acid ionized the water, turning it into an electrolyte solution.”

3. noun

the act or process of ionizing

“Ionization is a critical process in plasma physics that involves the formation of ions and free electrons.”