ionize

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i·on·ize / ˈīəˌnīz/ • v. [tr.] (usu. be ionized) convert (an atom, molecule, or substance) into an ion or ions, typically by removing one or more electrons. ∎  [intr.] become converted into an ion or ions in this way.DERIVATIVES: i·on·iz·a·ble adj.i·on·i·za·tion / ˌīəniˈzāshən/ n.