Definition of "observational" []

• Based on or pertaining to scientific observation. (adjective)
• Pertaining to observation in general. (adjective)

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• "He still needs some training in observational skills and could benefit from courses in brevity but that comes with the acceptance into the order."
• "Resolution is an important concept in observational astronomy."
• "Important goals for future work include the need to understand the relation of climate at the state and regional level to the patterns of global climate and to reverse the decline in observational networks that are so critical to accurate climate monitoring and prediction."