seafloor

Or sea floor

[see-flawr]

noun

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

Word History and Origins

Origin of seafloor¹

First recorded in 1850–55; sea + floor

Example Sentences

The torrent carved a 320-kilometer-long submarine canyon that is still visible today on the seafloor.

From Science Daily

The key to the study was investigating samples of earth plucked by scientists from a ship collecting samples from deep beneath the seafloor.

From Los Angeles Times

In only one particular area just off the California coast — around Noyo Canyon, very close to the San Andreas fault, but about 50 miles away from the Cascadia subduction zone — seafloor samples seemed upside down, with finer silty deposits on the bottom, and coarser sand grains on top.

From Los Angeles Times

They collected more than 40 long cores, or tubes, of seafloor sediment from locations around the peninsula.

From BBC

What he and his colleagues want to know is how much of that carbon gets buried in the seafloor - and locked away from the atmosphere - when the animals die.

From BBC