From Longman Dictionary of Contemporary Englishcase studyˈcase ˌstudy noun [countable] SEa detailed account of the development of a particular person, group, or situation that has been studied over a period of time
Examples from the Corpus
case study• Jury service: a case study A valuable case study of this whole argument is the matter of jury service.From Longman Business Dictionarycase studyˈcase ˌstudy a detailed account of the development of a particular person, group, or situation that is studied as a typical or good example of somethingA detailed case study of the two hotels identifies present practices and attitudes, and the need for and the barriers against work flexibility. → study 