from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Existing, relating to, or created for use beneath the surface of the sea: undersea life; undersea cameras.
  • adv. Beneath the surface of the sea.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Existing, relating to, or made for use beneath the sea.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. beneath the surface of the sea


Sorry, no etymologies found.


  • Earlier this month, we reported on the boom in undersea cable construction in response to a 64 percent surge in international bandwidth use last year.

    Demand for Bandwidth Leads to Fiber Boom

  • The buildout in undersea optical cables should be viewed as a good thing, especially if Om is correct when he points out that network growth often presages an economic boom.

    Demand for Bandwidth Leads to Fiber Boom

  • In Texas, they disinvited a movie that hilariously claimed "there's a good chance that life began in undersea thermal vents".

    Darwin's Dilemna Premiering

  • "Information awareness, the ability to communicate that, what is going on the oceans and what is going on undersea, that is the trend."

    Yahoo! News: Business - Opinion

  • So-called undersea dead zones where oil starves oxygen from the water and its marine life of fish, shrimp, oysters and crabs.

    Breaking News: CBS News

  • Any claim that they were stolen and published on the Web in the name of "transparency" or "accountability" is belied by a cable WikiLeaks released that identifies sites around the world critical to U.S. national security, such as undersea communications cables, vaccine makers, and manufacturers of weapons parts.

    How to Prevent the Next WikiLeaks Dump

  • We now know the oil industry, and the government agency tasked with regulating them, determined that there was a zero chance that this kind of undersea disaster could ever happen.

    Waking America From the BP Nightmare

  • Another reason for optimism is that the vents can withstand disasters such as undersea volcanoes.

    Mining’s Final Frontier

  • Wonderful work from Dave Seeley, that really gets that "undersea" metaphor beautifully.

    Kristine Kathryn Rusch's The Spires of Denon

  • Biologists keep finding colonies of bacteria in the most inhospitable places on Earth, such as undersea volcanic vents at 230 degrees Celsius.

    Come In, Mars


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