observation (nom)
Sens 1 : a) an act of recognizing and noting a fact or occurrence often involving
measurement with instruments. b) a record or description so obtained. [source : MW]
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Sens 2 : a judgment on or inference from what one has observed. [source : MW]
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Sens 3 : a remark, statement. [source : MW]
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Sens 4 : the condition of one that is observed. [source : MW]