1. (

• observation ,

) the act of making and recording a measurement ;

2. (

• observation ,
• observance ,
• watching

) the act of observing; taking a patient look ;

3. (

• observation ,
• reflection ,
• reflexion

) a remark expressing careful consideration ;

4. (

• observation ,

) facts learned by observing; "he reported his observations to the mayor" ;

5. (

• notice ,
• observation ,
• observance

) the act of noticing or paying attention; "he escaped the notice of the police" ;