Home › Words › M › mamavirusmamavirusmamavirus means acanthamoeba polyphaga mimivirus, a member of family Mimiviridae, larger than any previously identified virus.Among words judged in Lexicurio's Arena, mamavirus ranks #23,631 of 42,752 for Qualifying.EtymologyAlteration of mimivirus by analogy with pairs such as mini–maxi and micro–macro. Coined by La Scola et al in 2008.nounAcanthamoeba polyphaga mimivirus, a member of family Mimiviridae, larger than any previously identified virus.Definitions & examples from Wiktionary (CC BY-SA 3.0).