Definition of sublittoral
1 : situated, occurring, or formed on the aquatic side of a shoreline or littoral zone
2 : constituting the sublittoral
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First Known Use of sublittoral
1839
2
sublittoral
noun
sub·lit·to·ral
Definition of sublittoral
: the deeper part of the littoral portion of a body of water; especially : the region in an ocean between the lowest point exposed by a low tide and the margin of the continental shelf
First Known Use of sublittoral
1886
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