Abyssal plain
noun
a large area of extremely flat or gently sloping ocean floor just offsh-r- from a continent, at depths of 13,000-20,000 feet
examples
the abyssal plains begin where the continental margins end. several species of worms, shrimp, brittle stars, sea cuc-mbers, and fish live in abyssal plains.
usage note
geography
Read Also:
- Abyssinian banana
a large, treelike ethiopian plant, ensete ventricosum, of the banana family, having leaves about 15 feet (4 meters) long, whitish flowers with reddish-brown bracts, and dry, inedible fruit.
- Abyssinian cat
a breed of domesticated cat originating in africa, typically having grayish or brownish fur with a reddish undercoat, giving it a brindled appearance. noun a variety of cat with a long body and a short brown coat with black or dark brown markings
- Abyssinian church
. the monophysitic church founded by frumentius in the 4th century a.d., and resembling the coptic church in doctrine, practice, and discipline, but using ethiopic in its liturgy.
- 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.