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sublittoral

[ suhb-lit-er-uhl ]
/ sʌbˈlɪt ər əl /
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adjective Ecology Geology.

of or relating to the biogeographic region of the ocean bottom between the littoral and bathyal zones, from the low water line to the edge of the continental shelf, or to a depth of approximately 660 feet (200 meters).
being or situated in the zone of a lake extending from the lowest depth of rooted photosynthetic plants to the level at which the photosynthetic rate of flora equals the respiration rate.

noun Ecology Geology.

a sublittoral zone or region.

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Origin of sublittoral

First recorded in 1840–50; sub- + littoral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for sublittoral

British Dictionary definitions for sublittoral

sublittoral
/ (sʌbˈlɪtərəl) /

adjective

(of marine organisms) growing, living, or situated close to the seashorea sublittoral plant
of or relating to the zone between the low tide mark and 100 m depth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for sublittoral

sublittoral
[ sŭb-lĭtər-əl ]

Relating to the region of the ocean bottom between the low tide line and the edge of the continental shelf, ranging in depth to about 200 m (656 ft). Unlike areas of the littoral zone, the sublittoral zone is always submerged. Compare littoral.
Relating to the deeper part of a lake below the area in which rooted plants grow.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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