seabed, underwater, seafloor, ocean, oceanic, coral reef, sea, deepwater, oceanographic, submarine, subsurface, seismographic, seamount, antarctic, submersible, continental shelf, bathyscaph, marine, oceanographers, fiber optic cable, great barrier reef, subaqueous, sperm whale, giant squid, offshore, volcanoes, geodynamic, antarctic continent, coastlines, celebes sea, crustal plate, tuamotu archipelago, polar, sonar, abyssal, barents sea, reef, subpolar, tatar strait, bathyscaphe, gusher, aquanaut, coral, squids, maritime, volcanic, tsugaru strait, polynya, lava, spitzbergen, coastal, subsalt, interplanetary, bathymetric, whale, barquentine, franz josef land, intertidal, caretta caretta, chelyuskin, subantarctic, bathysphere, underground, subaquatic, oilrig, architeuthis, tubeworm, snailfish, islands, isopods, narwhals, arctic ocean, outer space, toothed whale, hydrography, jan mayen, biogeographical, oceangoing, weddell sea, laputa, trepang, fiberoptic, martaban, minisub, fumaroles, syrtis major, kuril islands, kuroshio current, oarfish, sulu sea, permafrost, wellhead, briney, subglacial, seawater, timor sea, spewing, tidal, galapagos islands, remus, skagerrak, hydrophone, cellar, den, discontents, drifts, drinkers, fastnesses, leaks, rumble, seaward, smoker, spring, springs, throbs, whence, alternate, anxieties, arcades, arsenals, basing, bends, underseas, mechanised, mechanized, shore, onshore, antisubmarine, geothermal, amphibious, inshore, manned, landbased

first baron kelvin, kelvin, naval underwater warfare center, nuwc, precarious, william thompson

submarine, subsurface