Dictionary.com
Thesaurus.com

suboceanic

American  
[suhb-oh-shee-an-ik] / ˌsʌb oʊ ʃiˈæn ɪk /
Also subocean

adjective

  1. occurring or existing below the floor of the ocean.

    suboceanic oil.

  2. of, relating to, or on the floor of the ocean.

    suboceanic plants.


suboceanic British  
/ sʌbˌəʊʃɪˈænɪk /

adjective

  1. formed or situated beneath the ocean or ocean floor

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of suboceanic

First recorded in 1855–60; sub- + oceanic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The choice of venue made sense: Orlowski has striking underwater footage that makes the coral come alive and turns a movie screen into a suboceanic aquarium.

From Los Angeles Times

Such are young rising mountain ranges, fault lines where readjustments recur from time to time, and the slopes of suboceanic depressions whose steepness suggests that subsidence may there be in progress.

From Project Gutenberg