- diligent and systematic inquiry or investigation into a subject in order to discover or revise facts, theories, applications, etc.: recent research in medicine.
- a particular instance or piece of research.
- to make researches; investigate carefully.
- to make an extensive investigation into: to research a matter thoroughly.
- systematic investigation to establish facts or principles or to collect information on a subject
- to carry out investigations into (a subject, problem, etc)
