comprehensivestudy
nounUK /ˌkɒmprɪˈhensɪv ˈstʌdi/
US /ˌkɑːmprɪˈhensɪv ˈstʌdi/
A comprehensive study is a very careful and complete look at something to learn all about it.
The scientists did a comprehensive study of the river to find out why the fish were disappearing.
OTHER MEANINGS
2. A school assignment that covers a topic in great detail.
For her comprehensive study of volcanoes, she made a model and wrote a long report.
3. A careful check of all the parts of a plan or idea.
The team carried out a comprehensive study of the new playground design before building it.
4. A complete piece of writing that explains everything known about a subject.
He read a comprehensive study about dinosaurs before the museum trip.