- inquiry, enquiry, research - a search for knowledge; "their pottery deserves more research than it has received"
--1 is a kind of problem solving
--1 has particulars:nature study; experiment, experimentation; empirical research; probe, investigation; poll, opinion poll, public opinion poll, canvass; heraldry - question, inquiry, enquiry, query, interrogation - an instance of questioning; "there was a question about my training"; "we made inquiries of all those who were present"
--2 is a kind of questioning, inquiring
Derived form: verb inquire1 - inquiry, enquiry - a systematic investigation of a matter of public interest
--3 is a kind of investigation, investigating
--3 has particulars: means test; inquestDerived form: verb inquire3