abyssal
61abyssal plain — noun Date: 1954 any of the great flat sediment covered areas of ocean floor see continental shelf illustration …
62ABYSSAL, ALE — adj. T. de Géographie Qui a rapport aux abysses. Les profondeurs abyssales sont très variables …
63Abyssal (Envy album) — …
64abyssal benthic — pertaining to the ocean floor below 400 600 fathoms (730 1100 metres) …
65abyssal plain — the area of the generally flat ocean floor excluding ocean trenches below 2000 fathoms (3660 metres, presumably an older version based on fathoms) or 4000 metres …
66abyssal zone — the middle zone of the deep sea between 3700 and 6000 metres …
67abyssal fish — noun those fish that live below a depth of 2000 meters …
68abyssal plain — noun 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) …
69abyssal depth — any of flat bottom strata of the sea …
70abyssal hill — /əbɪsəl ˈhɪl/ (say uhbisuhl hil) noun a small submarine hill, rising from several metres to several hundred metres above the ocean floor, and sometimes several kilometres in diameter …