observation
US /ˌɑːb.zɚˈveɪ.ʃən/
UK /ˌɑːb.zɚˈveɪ.ʃən/

1.
observation, surveillance
the action or process of observing something or someone carefully or in order to gain information.
:
•
Careful observation of the patient's symptoms is crucial for diagnosis.
Une observation attentive des symptômes du patient est cruciale pour le diagnostic.
•
The scientist conducted a long-term observation of the stars.
Le scientifique a mené une observation à long terme des étoiles.
2.
observation, remarque
a remark, statement, or comment based on something one has noticed.
:
•
He made an interesting observation about human behavior.
Il a fait une observation intéressante sur le comportement humain.
•
Her observations were always insightful and to the point.
Ses observations étaient toujours perspicaces et pertinentes.