Verb
convert into ions
become converted into ions
Source: WordNetThe air in a region around a high-voltage conductor can break down and ionise without a catastrophic increase in current; this is called " corona discharge ". Source: Internet
Greenwood, p. 1168 When bound to a strongly electron-withdrawing metal centre, hydroxide ligands tend to ionise into oxide ligands. Source: Internet
Theremin recalled that while still in his last year of school, he had built a million-volt Tesla coil and noticed a strong glow associated with his attempts to ionise the air. Source: Internet