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adjectiverelying on observation or experiment
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Definition that contains observational
- case a person who is subjected to experimental or other observational procedures; someone who is an object of investigation
- subject a person who is subjected to experimental or other observational procedures; someone who is an object of investigation
- event a phenomenon located at a single point in space-time; the fundamental observational entity in relativity theory
- natural history the scientific study of plants or animals (more observational than experimental) usually published in popular magazines rather than in academic journals
- guinea pig a person who is subjected to experimental or other observational procedures; someone who is an object of investigation