Meanings

underwater navigation

multilevel diving

underwater dive light

two-piece swimming suit (not bikini style)

decompression diving

(underwater) depth gauge

place for ritual cleansing of hands and mouth with water when visiting shrines

boiling-water reactor

secondary cooling water (esp. in a pressurized water reactor)

to forgive and forget

brackish waters (of an estuary)

chance of precipitation

aquatic insect

deep water (depth: 2000-4000 meters)

intermediate water (depth: 200-2000 meters)

bottom water (depth: 4000+ meters)

surface water (depth: 0-200 meters)

the study of inland waters

hydrosphere

hydrospheric sciences