sea floor
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sea floor
also sea·floor (sē′flôr′)n.
The bottom of a sea or ocean.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Noun | 1. | sea floor - the bottom of a sea or ocean abyssal zone - the deep sea (2000 meters or more) where there is no light bed, bottom - a depression forming the ground under a body of water; "he searched for treasure on the ocean bed" continental shelf - the relatively shallow (up to 200 meters) seabed surrounding a continent bathyal district, bathyal zone, continental slope - the steep descent of the seabed from the continental shelf to the abyssal zone neritic zone - the ocean waters from the low tide mark to a depth of about 100 fathoms twilight zone - the lowest level of the ocean to which light can reach |
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