- Abyssinian guinea pig
noun a breed of short-haired guinea pig with rosettes all over its body
- Abyssinian well
a perforated pipe driven into the ground for pumping out collected ground water; wellpoint.
- Abyssopelagic zone
abyssopelagic zone abyssopelagic zone (ə-bĭs’ə-pə-lāj’ĭk) A layer of the oceanic zone lying below the bathypelagic zone and above the hadopelagic zone, at depths generally between about 4,000 and 6,000 m (13,120-19,680 ft). The abyssopelagic zone ranges in temperature from 10° to 4°C (50° to 39°F).
adjective referring to or occurring in the region of deep water above the floor of the ocean