9 Grammatical Pitfalls


[gahy-zer, -ser for 1, 3; gee-zer for 2] /ˈgaɪ zər, -sər for 1, 3; ˈgi zər for 2/
a hot spring that intermittently sends up fountainlike jets of water and steam into the air.
British Informal. a hot-water heater, as for a bath.
verb (used without object)
to spew forth as or like a geyser:
the kettle geysering all over the stove.
Origin of geyser
1755-65; < Icelandic Geysir name of a hot spring in Iceland, literally, gusher, derivative of geysa to gush
Related forms
geyseral, geyseric, adjective
Can be confused
caldera, fumarole, geyser, volcano. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for geyser
  • Interactive tools allow kids to trigger a geyser eruption and dive into a hot spring to learn why the water boils and steams.
  • Earthquakes, rock slides, and steam explosions from geyser basins are all possible.
  • Start with a visit to the park's mega-celebrity geyser and end with wildlife watching at dusk more.
  • It shoots a geyser of carbonated water high into the air.
  • One turned into a geyser and the other stopped dispersing water evenly.
  • Dancing houses wearing skirts, gorillas riding geyser squirts.
  • He folded back the hood and a geyser of white steam shot up with a hiss.
  • One humpback breaches and crashes back, sending up an astonishing geyser of spray and foam.
  • There was a momentary geyser of funny clothes, odd hairstyles, and flopping tattooed limbs.
  • We went up into the big geyser region with the big sleighs, each drawn by four horses.
British Dictionary definitions for geyser


/ˈɡiːzə; US ˈɡaɪzər/
a spring that discharges steam and hot water
(Brit) a domestic gas water heater
Word Origin
C18: from Icelandic Geysir, from Old Norse geysa to gush
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
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Word Origin and History for geyser

1780, from Icelandic Geysir, name of a hot spring in the valley of Haukadal, literally "the gusher," from Old Norse geysa "to gush," from Proto-Germanic *gausjan, from PIE *gheus-, from root *gheu- "to pour" (see found (v.2)).

Online Etymology Dictionary, © 2010 Douglas Harper
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geyser in Science
A natural hot spring that regularly ejects a spray of steam and boiling water into the air.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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