From Longman Business Dictionary
pharmaceuticalphar·ma·ceu·ti·cal /ˌfɑːməˈsjuːtɪkəl◂ˌfɑːrməˈsuː-/ adjectiveadj [only before a noun] concerned with the development and production of drugs and medicinesresearch carried out by pharmaceutical companies
a Germanpharmaceutical giant (=very large pharmaceutical company)