verb
- converts (an atom, molecule, or substance) into an ion or ions, typically by removing or adding electrons
Usage: chemistry; physics
Examples
- The radiation ionizes the gas molecules in the chamber.
- When salt dissolves in water, it ionizes into sodium and chloride ions.
- The electric field ionizes the atoms in the plasma.
- Ultraviolet light ionizes oxygen molecules in the upper atmosphere.
- The detector measures how the particle beam ionizes the surrounding medium.
- Heat from the flame ionizes the metal atoms, creating the bright colors.