IPA: /səˈboʊʃən/
KK: /səˈboʊʃən/
Relating to something that is located or happening below the surface of the ocean.
The subocean environment is home to many unique species of marine life.
Subocean → It is formed from "sub-" (meaning under) and "ocean" (from Latin "oceanus", meaning the great sea). The word "subocean" refers to something that is located under the ocean.
Think of 'under' ('sub-') and the 'great sea' ('ocean') to remember that 'subocean' means something beneath the ocean.