Source : Webster's Revised Unabridged Dictionary (1913)

Ethnographic \Eth`no*graph"ic\, Ethnographical
\Eth`no*graph"ic*al\, . a. [Cf. F. ethnographique.]
   pertaining to ethnography.

Source : WordNet®

ethnographical
     adj : of or relating to ethnography; "ethnographical data" [syn: {ethnographic}]