research
/rɪˈsɜːtʃ/ noun [U]
› detailed study of a subject, especially in order to discover new information or understand the subject better: research into/on sth He is conducting detailed research into the effects of advertising on children.carry out/do/conduct research The doctor has carried out extensive research on the superbug. We'll need to do some research into the market before we commit ourselves. It was a useful piece of research.scientific/medical research He doesn't believe the scientific research. a research assistant/student a research grant → See also attitude research, audience research, consumer research, credit research, desk research, investment research, market research, motivational research, operations research, product research, qualitative research