subsea

adjective
sub·​sea | \ ˌsəb-ˈsē How to pronounce subsea (audio) \
variants: or less commonly sub-sea

Definition of subsea

1 : existing or occurring below the surface of the sea subsea currents The island, an upthrust of volcanic rock, lies along the Norfolk Ridge, an 1,100-mile line of subsea mountains.— Michael Davie
2 : existing or occurring under the seafloor subsea oil wells

First Known Use of subsea

1817, in the meaning defined above

Keep scrolling for more

Learn More about subsea

Statistics for subsea

Look-up Popularity

Time Traveler for subsea

The first known use of subsea was in 1817

See more words from the same year

Comments on subsea

What made you want to look up subsea? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

an act or instance of editing or removing

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!