umpolen

== German == === Etymology === um- +‎ polen === Pronunciation === IPA(key): /ˈʊmˌpoːlən/ Hyphenation: um‧po‧len === Verb === umpolen (weak, third-person singular present polt um, past tense polte um, past participle umgepolt, auxiliary haben) (transitive) to reverse the polarity of ==== Conjugation ==== ==== Derived terms ==== Umpolen, Umpoler, Umpolung umpolend, umgepolt === Further reading === “umpolen” in Digitales Wörterbuch der deutschen Sprache “umpolen” in Duden online "umpolen" in BEOLINGUS dict.tu-chemnitz.de