geyser

[ gahy-zer, -ser for 1, 3; gee-zer for 2 ]
/ ˈgaɪ zər, -sər for 1, 3; ˈgi zər for 2 /

noun

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.

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Origin of geyser

1755–65; <Icelandic Geysir name of a hot spring in Iceland, literally, gusher, derivative of geysa to gush

OTHER WORDS FROM geyser

gey·ser·al, gey·ser·ic, adjective

WORDS THAT MAY BE CONFUSED WITH geyser

caldera, fumarole, geyser , volcano

Words nearby geyser

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for geyser

British Dictionary definitions for geyser

geyser
/ (ˈɡiːzə, US ˈɡaɪzər) /

noun

a spring that discharges steam and hot water
British a domestic gas water heater

Word Origin for geyser

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

Scientific definitions for geyser

geyser
[ gīzər ]

A natural hot spring that regularly ejects a spray of steam and boiling water into the air.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.