From Longman Dictionary of Contemporary Englishresearcherre‧search‧er /rɪˈsɜːtʃə $ -ˈsɜːrtʃər/ ●●○ AWL noun [countable] someone who studies a subject in detail in order to discover new facts or test new ideas medical researchers Researchers have found links between stress and heart disease.From Longman Business Dictionaryresearcherre‧search‧er /rɪˈsɜːtʃə-ˈsɜːrtʃər/ noun [countable]JOB a person whose job is to study a particular subject to find out new things about it
