Gerund noun referring to the act or process of causing ionization; usually uncountable.
Prolonged ionizing of the gas produced a bright plasma.
L’ionisation prolongée du gaz a produit un plasma brillant.
ionizegerund / present participle Used attributively, e.g. in the collocation “ionizing radiation”.
ionisantTerme scientifique et technique. Ionizing radiation can damage living tissue.
Le rayonnement ionisant peut endommager les tissus vivants.