The latter rise abruptly from the oceanic abysses.
(b) Abyssal, including the radiolarian ooze and red clay of the deepest abysses.
The family spent their vacation scuba diving in many different abysses and reefs.
Jagged crags, sudden abysses, magnificent canyons, forests with open parks, undulating hills, mountain prairies, freaks of weathering and erosion, and the enclosing lines of the successive hog-backs afford scenery of remarkable variety and wild beauty.
The more the couple got to know each other, the more they realized that there were abysses between their personalities.