monopneumonian/ˌmɒnəʊˌnjuˈməʊ.ni.ən/EtymologyFrom translingual Monopneumonia + -an.monopneumonian means Any lungfish of the former order Monopneumonia Lexicurio rates it Rare gem — a strength score of 73 out of 100.nounAny lungfish of the former order Monopneumonia