American English

Definition of observation noun from the Oxford Advanced American Dictionary

      

    observation

     noun
    noun
    NAmE//ˌɑbzərˈveɪʃn//
     
    , NAmE//ˌɑbsərˈveɪʃn//
     
     
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  1. 1 [uncountable, countable] the act of watching someone or something carefully for a period of time, especially to learn something Most information was collected by direct observation of the animals' behavior. results based on scientific observations We managed to escape observation (= we were not seen). The patient is being kept under observation (= watched closely by the doctors). She has outstanding powers of observation (= the ability to notice things around her). an observation post/tower (= a place from where someone, especially an enemy, can be watched) Topic CollocationsScientific Researchtheory formulate/advance a theory/hypothesis build/construct/create/develop a simple/theoretical/mathematical model develop/establish/provide/use a theoretical/conceptual framework/an algorithm advance/argue/develop the thesis that… explore an idea/a concept/a hypothesis make a prediction/an inference base a prediction/your calculations on something investigate/evaluate/accept/challenge/reject a theory/hypothesis/modelexperiment design an experiment/a questionnaire/a study/a test do research/an experiment/an analysis make observations/calculations take/record measurements carry out/conduct/perform an experiment/a test/a longitudinal study/observations/clinical trials run an experiment/a simulation/clinical trials repeat an experiment/a test/an analysis replicate a study/the results/the findings observe/study/examine/investigate/assess a pattern/a process/a behavior fund/support the research/project/study seek/provide/get/secure funding for researchresults collect/gather/extract data/information yield data/evidence/similar findings/the same results analyze/examine the data/soil samples/a specimen consider/compare/interpret the results/findings fit the data/model confirm/support/verify a prediction/a hypothesis/the results/the findings prove a conjecture/hypothesis/theorem draw/make/reach the same conclusions read/review the records/literature describe/report an experiment/a study present/publish/summarize the results/findings present/publish/read/review/cite a paper in a scientific journal
  2. 2[countable] observation (about/on something) a comment, especially based on something you have seen, heard, or read synonym remark He began by making a few general observations about the report. She has some interesting observations on possible future developments.
observational
 
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NAmE//ˌɑbzərˈveɪʃənl//
 
, NAmE//ˌɑbsərˈveɪʃənl//
 
adjective
See the Oxford Advanced Learner's Dictionary entry: observation

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