seamount

[ see-mount ]

noun

1. a submarine mountain rising several hundred fathoms above the floor of the sea but having its summit well below the surface of the water.

seamount

/ ˈsiːˌmaʊnt /

noun

1. a submarine mountain rising more than 1000 metres above the surrounding ocean floor Compare guyot

seamount

/ sē′mount′ /

1. A large underwater mountain, usually conical in shape and at least 1,000 m (3,280 ft) above the ocean floor. Seamounts are usually isolated and are volcanic in origin.

Word History and Origins

Origin of seamount¹

First recorded in 1945–50; sea + mount ²

Example Sentences

But then, just as Hercules crossed over a ridge, a curious sight floated across the screen: small, almost iridescent bulbs clinging to the seamount wall.

From Los Angeles Times

Thousands of deep-sea octopuses gather on the flanks of a seamount off California’s coast.

From Scientific American

That suggested the volcanic rocks inside the seamount were also rich in water, trapped by an impermeable cap, the team concluded.

From Science Magazine

The Connecticut, one of three advanced Seawolf submarines, hit the uncharted seamount on Oct.

From Seattle Times

But radar satellites that measure ocean height can also find them, by looking for subtle signs of seawater mounding above a hidden seamount, tugged by its gravity.

From Science Magazine