Usage examples (4)

• Adjective : suboceanic oil. ,suboceanic plants
• Such an explosion, indescribable in its fury, might in the end raise the height of the subocean island a foot.
• And then one day, at the northwest end of the subocean rupture, an eruption of liquid rock occurred that was different from any others that had preceded.
• The subocean connections would be deep sea cables in the least vulnerable position, and it may be added that the system would possess an advantage peculiar to a...