One entry found for observation.

Main Entry: ob·ser·va·tion
Pronunciation: äb-sr-v-shn, -zr-
Function: noun
1 : an act or an instance of observing a custom, rule, or law
2 : an act or the power of seeing or fixing the mind upon something
3 : an act of gathering information (as for scientific studies) by noting facts or occurrences <weather observations>
4 : an opinion formed or expressed after observing
5 : the state of being observed <was in the hospital for observation>
synonym see REMARK
- ob·ser·va·tion·al /-shnl, -shn-l/ adjective