ionizedadj.
/ˈʌɪənʌɪzd/, U.S. /ˈaɪəˌnaɪzd/ Chiefly Physics and Chemistry.
That has undergone ionization; containing ions.
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the world > matter > chemistry > ions, ionization, or electrolysis > [adjective] > of or relating to ionization > having undergone
ionized1896
the world > matter > physics > atomic physics > ion > ionization > [adjective] > have undergone ionization
ionized1896
1896 Science 9 Oct. 517 In solution we have the molecules dissociated or ionized.
1919 J. A. Crowther Ions, electrons, & Ionizing Radiations v. 52 The current through an ionized gas increases with increasing electric field up to a certain maximum value.
1936 N. Feather Introd. Nucl. Physics v. 85 These spectra had been correctly attributed to hydrogen and ionised helium, respectively.
1959 Metalworking Production 29 May 950/1 A molten pool of highly-ionized and consequently electrically conductive slag.
1989 I. D. Poole Introd. Amateur Radio iii. 47 When the signals reach the ionised layers above the earth they can be reflected back, returning to the earth at a distant point.
2005 New Yorker 13 June 134/1 Sunshine pours down through skylights while vents in the walls pump in ionized air.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).
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adj.1896