a submarine mountain rising more than 1000 metres above the surrounding ocean floor
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seamount in American English
(ˈsiˌmaʊnt)
noun
a mountain rising from the sea floor but not reaching the surface
seamount in American English
(ˈsiˌmaunt)
noun
a submarine mountain rising several hundred fathoms above the floor of the sea but having its summit well below the surface of the water
Word origin
[1945–50; sea + mount2]This word is first recorded in the period 1945–50. Other words that entered Englishat around the same time include: ergative, on-line, poison pill, regression analysis, taxi squad
Examples of 'seamount' in a sentence
seamount
Corals that lie on seamount flanks, below the reach of nets, face a different threat: ocean acidification.
Times, Sunday Times (2010)
The seamount is alive with little shrimp-like creatures, worm-like nematodes and sponges, many of which are new to science.