The Collaborative International Dictionary
Palladious
Palladious \Pal*la"di*ous\ (p[a^]l*l[=a]"d[i^]*[u^]s), a. (Chem.) Of, pertaining to, or containing, palladium; -- used specifically to designate those compounds in which palladium has a lower valence as compared with palladic compounds.
Wiktionary
palladious
a. (context chemistry English) Of, pertaining to, or containing palladium; used specifically to designate those compounds in which palladium has a lower valence compared with palladic compounds.