IPA: /ˌsʌb.oʊˈsiː.ən.ɪk/
KK: /sʌboʊˈsiːənɪk/
Located or happening below the surface of the ocean or the ocean floor.
The suboceanic currents play a crucial role in regulating the Earth's climate.
Suboceanic → It is formed from "sub-" (meaning under) and "oceanic" (from Latin "oceanus", meaning ocean). The word "suboceanic" refers to something that is located beneath the ocean.
Think of 'sub-' meaning 'under' and 'oceanic' relating to the ocean — so suboceanic describes something that is under the ocean.