The family spent their vacation scuba diving in many different abysses and reefs.

The latter rise abruptly from the oceanic abysses.

(b) Abyssal, including the radiolarian ooze and red clay of the deepest abysses.

No Cambrian rocks are such as would be formed in the abysses of the sea - although the absence of well-developed eyes in the trilobites has led some to assume that this condition was an indication that the creatures lived in abyssal depths.

They confront terrifying abysses - physical, emotional, spiritual - and continually change roles, change themselves, change the worlds about them.

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 latter rise abruptly from the oceanic abysses.

(b) Abyssal, including the radiolarian ooze and red clay of the deepest abysses.

No Cambrian rocks are such as would be formed in the abysses of the sea - although the absence of well-developed eyes in the trilobites has led some to assume that this condition was an indication that the creatures lived in abyssal depths.

The more the couple got to know each other, the more they realized that there were abysses between their personalities.

The biologists would like to do more research on the wildlife thriving in the depths of the ocean's abysses.

The biologists would like to do more research on the wildlife thriving in the depths of the ocean's abysses.