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Observation Definition & Meaning - Merriam-Webster
Observation - Wikipedia
OBSERVATION | English meaning - Cambridge Dictionary
Observation - Definition, Meaning & Synonyms - Vocabulary.com
OBSERVATION | definition in the Cambridge English Dictionary
OBSERVATION definition and meaning | Collins English Dictionary
Observation Definition & Meaning | Britannica Dictionary
observation noun - Definition, pictures, pronunciation and usage …
observation noun - Definition, pictures, pronunciation and usage …
OBSERVATION definition in American English - Collins Online …
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