undersea Definition

submarine, subsurface, seabed, underwater, seafloor, sea, seamount, submersible, maritime, submerged, scuba, depth, boat, sub, harbour, bottom, climax, sub-surface, subsea, u-boat, deepwater, ocean, oceanic, oceanographic, antarctic, offshore, continental shelf, subaqueous, reef, marine, barents sea, subaquatic, timor sea, coral reef, seismographic, bathyscaph, oceanographers, fiber optic cable, great barrier reef, sperm whale, giant squid, volcanoes, geodynamic, antarctic continent, coastlines, celebes sea, crustal plate, tuamotu archipelago, polar, sonar, abyssal, subpolar, tatar strait, bathyscaphe, gusher, aquanaut, coral, squids, volcanic, tsugaru strait, polynya, lava, spitzbergen, coastal, subsalt, interplanetary, bathymetric, whale, barquentine, franz josef land, intertidal, caretta caretta, chelyuskin, subantarctic, bathysphere, minisubmarine, underground, oilrig, architeuthis, tubeworm, snailfish, islands, isopods, narwhals, arctic ocean, outer space, toothed whale, hydrography, jan mayen, biogeographical, oceangoing, abyssal zone, weddell sea, laputa, trepang, fiberoptic, martaban, minisub, fumaroles, syrtis major,