Alphabet
Abyssal meaning
[uh-bis-uh l]
Definitions of abyssal is:
  • adjective abyssal
    of or belonging to the ocean depths, esp below 2000 metres (6500 feet)
  • adjective abyssal
    of or like an abyss; immeasurable; unfathomable.
  • adjective abyssal
    of or relating to the biogeographic zone of the ocean bottom between the bathyal and hadal zones: from depths of approximately 13,000 to 21,000 feet (4000 to 6500 meters).