Dictionary.com
Thesaurus.com

seafloor

American  
[see-flawr] / ˈsiˌflɔr /
Or sea floor

noun

  1. the solid surface underlying a sea or an ocean.


Etymology

Origin of seafloor

First recorded in 1850–55; sea + floor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Even so, the seafloor hosts enormous features that surpass the size of the largest land canyons.

From Science Daily

The scientists used high resolution sonar to produce a detailed map of the seafloor.

From Science Daily

Their analysis shows that roughly 300 million cubic meters of magma rose from deep within the crust and stalled about four kilometers beneath the seafloor.

From Science Daily

During this phase, earthquake depths shifted upward in pulses, moving from about 18 kilometers below the surface to just 3 kilometers beneath the seafloor.

From Science Daily

These seafloor sensors recorded not only earthquake signals but also pressure changes caused by the seabed sinking as much as 30 centimeters during magma intrusion beneath Kolumbo.

From Science Daily