[ahy-uh-nahyz] /ˈaɪ əˌnaɪz/

verb (used with object), ionized, ionizing.
to separate or change into .
to produce in.
verb (used without object), ionized, ionizing.
to become changed into the form of , as by dissolving.

to change or become changed into ions

1891; see ionize + -ation.

1896, from ion + -ize. Related: Ionized; ionizing.

ionization i·on·i·za·tion (ī’ə-nĭ-zā’shən)

ionize i·on·ize (ī’ə-nīz’)
v. i·on·ized, i·on·iz·ing, i·on·iz·es
To dissociate atoms or molecules into electrically charged atoms or radicals.
i’on·iz’er n.


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    noun the amount of energy required to remove an electron from an atom to form a cation; also called ionization potential

  • Ionization-chamber

    noun, Physics. 1. an apparatus for detecting and analyzing ionizing radiation, consisting of a vessel filled with a gas at normal or lower than normal pressure and fitted with two electrodes such that the current between the electrodes is a function of the amount of ionization of the gas. noun 1. a device for detecting […]

  • Ionization or ionizing

    ionization or ionizing [(eye-uh-nuh-zay-shuhn; eye- uh-neye-zing)] Creating an ion by changing the number of electrons in an atom. Note: Certain kinds of radiation, such as x-rays, ionize atoms.

  • Ionization-potential

    noun, Physics. 1. the energy required to remove an electron from an atom. noun 1. the energy usually required to remove an electron from an atom, molecule, or radical, usually measured in electronvolts I Compare electron affinity noun See ionization energy

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