Hypertext Webster Gateway: "observational"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Observational \Ob`ser*va"tion*al\, a.
Of a pertaining to observation; consisting of, or containing,
observations. --Chalmers.
From WordNet (r) 1.7 (wn)
observational
adj : relying on observation or experiment; "experimental results
that supported the hypothesis" [syn: {experimental}, {data-based}]
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