- observation - the act of making and recording a measurement
--1 is a kind of measurement, measuring, measure, mensuration
--1 has particulars: radio observationDerived forms: verb observe1, verb observe8 - observation, observance, watching - the act of observing; taking a patient look
--2 is a kind of look, looking, looking at
--2 has particulars: monitoring; sighting; stargazingDerived forms: verb observe7, verb observe3, verb observe4, verb observe8 - observation - facts learned by observing; "he reported his observations to the mayor"
--3 is a kind of fact
--3 has particulars: scientific factDerived forms: verb observe7, verb observe1, verb observe3, verb observe4, verb observe8 - notice, observation, observance - the act of noticing or paying attention; "he escaped the notice of the police"
--4 is a kind of attention, attending
--4 has particulars: mind; remarkDerived forms: verb observe7, verb observe3, verb observe4, verb observe2, verb observe8 - observation, reflection, reflexion - a remark expressing careful consideration
--5 is a kind of remark, comment
--5 has particulars: Parkinson's law; Parkinson's lawDerived forms: verb observe7, verb observe1, verb observe3, verb observe4, verb observe8