: of or relating to the ocean depths or floor usually from 600 to 6000 feet (180 to 1800 meters)
Example Sentences
Recent Examples on the WebThe blue of the bathyal zone bleeds into the black of the abyssal, the light winks out to perfect pitch, and the dark goes on and on, for eight monotonous hours. Bucky Mcmahon, Esquire, 14 Sep. 2015
Word History
Etymology
Greek bathýs "deep" + -al entry 1 — more at bathy-