Ionize (verb)

1. To convert into ions, typically by the loss or gain of one or more electrons.
2. To cause a gas or other substance to become ionized by passing a current through it or exposing it to radiation.

Origin:

From french ioniser, from greek iōn "going" or "going up" + -ize.

Examples:

1. Ionizing radiation can break chemical bonds and cause DNA damage.
2. The high energy particles in the solar wind can ionize atoms in the upper atmosphere.
3. The strong UV radiation ionized the gas in the tube, creating a plasma.
4. The device ionized the air in the room, making it easier to breathe.
5. The process of ionization helps in the understanding of chemical reactions.