in‧spec‧tion S3 [uncountable and countable]
an official visit to a building or organization to check that everything is satisfactory and that rules are being obeyed
regular inspections of the prison
An inspection was carried out at the school.
tour of inspection (=an official visit to inspect something)
a careful examination of something to find out more about it or to check for anything wrong
Copies of the documents are available for inspection (=people can look at them) at local libraries.
(on) close/closer inspection (=when looked at in detail)
However, on closer inspection, a number of problems emerged.
Close inspection of the plane's engines revealed several small defects.