[hahy-druh-sohm] /ˈhaɪ drəˌsoʊm/
the entire body of a compound hydrozoan.
(zoology) the body of a colonial hydrozoan
[hahy-druh-speys] /ˈhaɪ drəˌspeɪs/ noun 1. the regions beneath the surface of the oceans and seas. hydrospace (hī’drə-spās’) The regions beneath the ocean’s surface, especially when considered as an area to be studied, as in marine mammal research or sonar mapping of the ocean floor.
noun See hydrospeeding
noun an extreme sport involving river descent using a special board; also called hydrospeed
[hahy-druh-sfeer] /ˈhaɪ drəˌsfɪər/ noun 1. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. /ˈhaɪdrəˌsfɪə/ noun 1. the watery part of the earth’s surface, including oceans, lakes, water vapour in the atmosphere, etc n. 1887, from hydro- + sphere. hydrosphere (hī’drə-sfîr’) All […]