To search again; examine anew.
To search or examine with continued care; examine into or inquire about diligently.
noun.
Diligent inquiry, examination, or study; laborious or continued search after facts or principles; investigation: as, microscopical research; historical researches.
noun.
In music, an extemporaneous composition preluding the performance of a work, and introducing some of its leading themes.
noun.
Synonyms Investigation, Inquiry, etc. (see examination), exploration.