subsea

/sʌbˈsi/
adjective
  1. Located, occurring, or used under the surface of the sea.
    • Subsea cables carry internet data across oceans.
    • The company specializes in subsea pipeline installation.
    • Engineers are developing new subsea robots for deep-sea exploration.
Synonyms
adverb
  1. Under the surface of the sea.
    • They operate subsea to extract oil from deep wells.
    • The research team studies marine life subsea.
    • The equipment was deployed subsea for maintenance work.
What does "subsea" mean? | whatsthatwordmean | whatsthatwordmean