1 observation /ˌɑːbsɚˈveɪʃən/ noun
plural observations
1 observation
plural observations
Learner's definition of OBSERVATION
[count] : a statement about something you have noticed : a comment or remark
Synonyms see: [1]remark
[noncount] : the act of careful watching and listening : the activity of paying close attention to someone or something in order to get information
[count] : something you notice by watching and listening
[count] : a written or spoken report or description of something that you have noticed or studied
[noncount] : the act of doing what is required by a custom, rule, law, etc. : observance usually + of

— observational

/ˌɑːbsɚˈveɪʃənl̟/ adjective
2 observation /ˌɑːbsɚˈveɪʃən/ adjective
2 observation
Learner's definition of OBSERVATION
always used before a noun
: designed to be used while watching people or things