Definitions from Wiktionary (abyssal plain)
▸ noun: (geography) A large expanse of very flat and smooth ocean floor, usually found at depths of 4,600 to 5,500 meters (15,000 to 18,000 feet).
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▸ noun: (geography) A large expanse of very flat and smooth ocean floor, usually found at depths of 4,600 to 5,500 meters (15,000 to 18,000 feet).
Similar:
planitia,
flatland,
altiplane,
planate,
peneplain,
plain,
level,
oceanic trench,
peneplane,
tableland,
more...
Opposite:
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▸ Wikipedia articles (New!)
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▸ Rhymes of abyssal plain
▸ Invented words related to abyssal plain