guyot

[ gee-oh ]
/ giˈoʊ /

noun

a flat-topped seamount, found chiefly in the Pacific Ocean.

Origin of guyot

1945–50; named after Arnold H. Guyot (1807–84), Swiss-born American geologist and geographer
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British Dictionary definitions for guyot

guyot

/ (ˈɡiːˌəʊ) /

noun

a flat-topped submarine mountain, common in the Pacific Ocean, usually an extinct volcano whose summit did not reach above the sea surfaceCompare seamount

Word Origin for guyot

C20: named after A. H. Guyot (1807–84), Swiss geographer and geologist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for guyot

guyot

[ gēō ]

A flat-topped, extinct submarine volcano having an elevation of over 1,000 m (3,280 ft) above the ocean floor. Guyots are thought to form as volcanos in sea-floor spreading zones and to become extinct as they move away from the spreading zones through plate tectonic forces. Their flat tops are believed to form by the erosional action of waves when they initially project above sea level.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.