dans le dictionnaire PONS
ob·ser·va·tion [ˌɒbzəˈveɪʃən, Am ˌɑ:bzɚˈ-] SUBST
1. observation no pl (watching closely):
2. observation no pl (noticing things):
- observation
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3. observation form (thought):
- observation
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- observations on [or about] sth
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ob·ser·ˈva·tion air·craft SUBST
- observation aircraft
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ob·ser·ˈva·tion bal·loon SUBST
- observation balloon
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ob·ser·ˈva·tion ho·ri·zon SUBST FIN, MATH
- observation horizon
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ob·ser·ˈva·tion point SUBST
- observation point
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ob·ser·ˈva·tion sat·el·lite SUBST
- observation satellite
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ob·ser·ˈva·tion tow·er SUBST
- observation tower
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ob·ser·ˈva·tion ward SUBST
- observation ward
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observation horizon SUBST COMPT
price observation SUBST FIN
- price observation
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observation point COMPT, INFRASTR
- observation point
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