Home › Words › E › eupadeupadeupad means A powder made from chlorinated lime and boric acid. It is mixed with water to produce eusol.Among words judged in Lexicurio's Arena, eupad ranks #15,694 of 42,789 for Qualifying.EtymologyShort for Edinburgh University pathological department.nounA powder made from chlorinated lime and boric acid. It is mixed with water to produce eusol.Definitions & examples from Wiktionary (CC BY-SA 3.0).