Deuterium http://www.physicalgeography.net/physgeoglos/d.html http://www.physicalgeography.net/physgeoglos/d.html http://www.physicalgeography.net/physgeoglos/d.html Diorite DNA Detachment Dune http://www.physicalgeography.net/physgeoglos/d.html http://www.physicalgeography.net/physgeoglos/d.html deciduous Diploid http://www.physicalgeography.net/physgeoglos/d.html Distributary