abyssal depth
see abyssal for oceans; in fresh water it may mean the maximum depth or the depth at which water temperature remains uniform

Dictionary of ichthyology. 2009.

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  • abyssal depth — any of flat bottom strata of the sea …   English contemporary dictionary

  • abyssal plain — Flat seafloor area at a depth of 10,000–20,000 ft (3,000–6,000 m), generally adjacent to a continent. The larger plains are hundreds of miles wide and thousands of miles long. The plains are largest and most common in the Atlantic Ocean, less… …   Universalium

  • abyssal zone — n. the ecological zone along the deep ocean floor between the bathyal and hadal zones * * * ▪ geology       portion of the ocean deeper than about 2,000 m (6,600 feet) and shallower than about 6,000 m (20,000 feet). The zone is defined mainly by… …   Universalium

  • depth — noun 1 distance from top to bottom or from back to front; deep part of sth ADJECTIVE ▪ considerable, great ▪ species that live at considerable depth ▪ They go down to great depths below the surface. ▪ maximum …   Collocations dictionary

  • depth — I (New American Roget s College Thesaurus) Deepness Nouns 1. depth; deepness, profundity; deepening, lowering (see depression). See lowness. 2. depression, concavity;shaft, well; bowels of the earth, bottomless pit; hell; valley; abyss, chasm… …   English dictionary for students

  • abyssal — adj. Abyssal is used with these nouns: ↑depth …   Collocations dictionary

  • abyssal — adj. [Gr. abyssos, the deep sea] Pertaining to the ocean depth beyond the continental shelf; dark area of the ocean below 2,000 meters …   Dictionary of invertebrate zoology

  • abyssal fish — noun those fish that live below a depth of 2000 meters …   Wiktionary

  • abyssal — /əˈbɪsəl/ (say uh bisuhl) adjective of unsearchable depth, as the lowest depths of the ocean; unfathomable …   Australian English dictionary

  • Poisson abyssal — Un chauliode de Sloane (Chauliodus sloani). Un poisson abyssal, poisson des abysses ou poisson des profondeurs est un poisson qui passe la plus grande partie de sa vie dans les abysses. Les poissons des abysses constituent un élément important de …   Wikipédia en Français

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