subaquatic
Beneath the waves
Subaquatic means existing, occurring, or designed for use underwater: subaquatic plants, subaquatic exploration.
The term appears in scientific and technical contexts more than everyday speech, where underwater usually suffices.
Subaqueous means the same thing.
Underwater exploration vehicle
- bathyscapheSelf-propelled deep-diving craft
- sonarUnderwater detection by echoes
- aquanautUndersea habitat dweller
- expeditionOrganized exploratory journey
oceanography · hydrothermal · trench · seafloor · abyss · archaeology · bioluminescence · research
Gilled aquatic vertebrate
- coralMarine skeletal formation
- dolphinEcholocating marine mammal
- whaleHuge sea mammal
- octopusEight-limbed sea mollusk
nautilus · mollusk · echinoderm · urchin · plankton · algae · seaweed · barnacle
Underwater rock or coral formation
- coralMarine skeletal formation
- kelpLarge brown marine algae
- seagrassSaltwater flowering plant
- benthicOf the sea bottom
pelagic · abyssal · brackish · freshwater · saltwater · ecosystem · sediment · currents
Portable underwater breathing gear
- wetsuitInsulating garment for water
- finsSwimming appendages
- snorkelUnderwater breathing pipe
- regulatorDevice maintaining steady output
mask · tank · decompression · freediving · spearfishing · divemaster · nitrox · neoprene
submersible
Underwater exploration vehicle
- bathyscapheSelf-propelled deep-diving craft
- sonarUnderwater detection by echoes
- aquanautUndersea habitat dweller
expedition · oceanography · hydrothermal · trench · seafloor · abyss · archaeology · bioluminescence · research · depths
fish
Gilled aquatic vertebrate
octopus · nautilus · mollusk · echinoderm · urchin · plankton · algae · seaweed · barnacle · grouper
reef
Underwater rock or coral formation
benthic · pelagic · abyssal · brackish · freshwater · saltwater · ecosystem · sediment · currents · turbidity
scuba
Portable underwater breathing gear
regulator · mask · tank · decompression · freediving · spearfishing · divemaster · nitrox · neoprene · gauges
subaquaticabove-water
Not underwater financially
above water · surface · aerial · airborne · floating
subaquaticterrestrial
Relating to land
land-based · aerial · overland · ground-dwelling · airborne
aquarium, aquatic, submarine, aqueduct, aquamarine, aqua, aquifer, aqueous, aquatics