Third-person singular simple present indicative form of ionize.(verb)
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Use "ionizes" in a sentence
"If an electrically charged particle passes through the tube, it ionizes atoms of gas in its immediate vicinity."
"The atmospheric changes before an earthquake are believed to be triggered by the release of radon gas - which is colorless and odorless - below the surface that then ionizes and heats the surrounding air."
"Argon is also valuable for the specific way it ionizes and emits light."