Learner's definition of INSPECTION
1 : the act of looking at something closely in order to learn more about it, to find problems, etc. : the act of inspecting something
Close inspection of the candles revealed some small defects.
On closer inspection, [=when it was examined more closely] the painting proved to be a fake.
2 : an official visit to a school, hospital, etc., in order to see if rules are being followed and things are in their proper condition