noun sverdrup Otto Neumann [awt-toh noi-mahn] /ˈɔt toʊ ˈnɔɪ mɑn/ (Show IPA), 1855?–1930, Norwegian explorer of the Arctic. 1
noun sverdrup Also called Sverdrup Islands. a group of islands in the N Northwest Territories of Canada, in the Arctic, W of Ellesmere Island: named after Otto Neumann Sverdrup. 1
