ion pump Ionoxalis • iontophoresis · · · Info · Definitions · Characters · · ion pump · · Text Common · · Latin · · Scripts 8 · · Length 3 · · Syllables Definitions · · · (noun) a vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface. Synonyms: ion pump. · · Noun Definition 1 Characters · · space U+0020 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 u latin small letter u U+0075