inhabit or live in; "People lived in Africa millions of years ago"; "The people inhabited the islands that are now deserted"; "this kind of fish dwells near the bottom of the ocean"
originate (in); "The problems dwell in the social injustices in this country"
the act of subjecting to experimental test in order to determine how well something works; "they agreed to end the testing of atomic weapons"
an examination of the characteristics of something; "there are laboratories for commercial testing"; "it involved testing thousands of children for smallpox"