The Collaborative International Dictionary of English v.0.48:
Ethnologic \Eth`no*log"ic\, Ethnological \Eth`no*log"ic*al\, a. Of or pertaining to ethnology. [1913 Webster]WordNet (r) 3.0 (2006):
ethnological adj 1: of or relating to ethnology; "ethnological field work" [syn: ethnological, ethnologic]