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English definition of “research”

research

noun [U]  /ˈri·sɜrtʃ, rɪˈsɜrtʃ/ us  
a detailed study of a subject in order to discover information or achieve a new understanding of it: medical/scientific research The US government has funded some research on high-speed trains. I like doing research.
research
verb [I/T]  /rɪˈsɜrtʃ, ˈri·sɜrtʃ/ us  
[T] Obviously they didn’t research it and get enough information.
researcher
noun [C]  /rɪˈsɜr·tʃər, ˈriˌsɜr-/ us  
(Definition of research from the Cambridge Academic Content Dictionary © Cambridge University Press)
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