He likes to be alone, preferably down in the ocean depths.

He looked at her now, dark eyes green as the ocean depths, unfathomable, like the man himself.

The illusion of the ocean depths was profound that night.

Sailors and scientists knew almost nothing of the ocean depths.

This was calibrated to show the ocean depth at each level of pressure.

At the same time, less cold water wells up from the ocean depths.

A little later the submarine began the descent into the lower ocean depths.

As another example, ocean depth is approximately 2 km, so sound takes over a second to return from the sea floor.

Indeed, the finding underscores just how little is known about the ocean depths.

An airplane door may be retrieved from an ocean depth of more than 14,000 feet.