observation

• the act of noticing or paying attention
• the act of observing
• the act of making and recording a measurement
• a remark expressing careful consideration
• facts learned by observing
• The act or the faculty of observing or taking notice
• The result of an act, or of acts, of observing
• Hence: An expression of an opinion or judgment upon what one has observed
• Performance of what is prescribed
• The act of recognizing and noting some fact or occurrence in nature, as an aurora, a corona, or the structure of an animal
• Specifically, the act of measuring, with suitable instruments, some magnitude, as the time of an occultation, with a clock
• The information so acquired

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