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seafloor

seafloor

10 2.7
The bottom of the sea or ocean
  • noun
  • /ˈsiːflɔːr/
translation icon : fondo marino
  • The entire seafloor within sensor range registered with lifeforms.
  • seafloor habitat
  • seafloor ecosystems
  • seafloor areas

Examples

  • Each time we landed on the seafloor, we quickly found lionfish.

    Blog text (28)
  • Beyond the scientific potential is the possibility that vast seafloor deposits of manganese nodules and other metals could be exploited for profit.

    Academic text (1993)
  • Volcanic activity means the seafloor is on the move.

  • You use sonar and air guns to chart the seafloor.

  • Zooniverse's recently introduced project Seafloor Explorer shows participants images of the seafloor.

    Academic text (2013)
  • The water was so clear and calm that we could see the grains of sand on the seafloor swirling.

    Fiction book (2000)
  • A record of that history exists in its seafloor sediments and even in its present-day waters.

    Blog text (32)
  • When the plankton die, they fall to the seafloor and are digested by microorganisms.

    Academic text (2006)
  • Trawling, which involves dragging huge, heavy nets along the seafloor, destroys marine habitats.

    Academic text (2010)
  • A giant sea star slowly moves across the seafloor under the ice in Antarctica.

Synonyms

bottom
vsseafloor
1.0

The lowest part or surface of a thing, often under water

is limited to the lowest surface found under the sea or ocean
ocean floor
vsseafloor
27 2.9

The bottom of the sea or ocean with plains, ridges, and trenches

is a simpler term that does not stress geological detail
seabed
vsseafloor
14 2.4

The ground at the bottom of the sea where sand and rocks lie

focuses on the exposed surface rather than the underlying ground
sea floor
vsseafloor
13 2.8

The ground under the sea or ocean

is the same meaning but written as a single word
sea bottom
vsseafloor
2 2.5

The floor of the sea where sand, rocks, and animals live

is the general surface term for that same base

Surface Forms

seafloor singular
seafloors plural

Morphology

seafloor = sea + floor (transparent) = sea + floor

A straightforward compound of 'sea' + 'floor' whose meaning is literally the bottom surface of the sea and is easily derivable by learners.

Etymology

Seafloor is made of two simple words, sea and floor, so imagine the 'floor' under the water. That's why seafloor means the 'bottom' or 'ground' of the ocean.