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A hot spring that discharges intermittent jets of steam and water is called a geyser. Geysers are generally associated with recent volcanic activity. They are produced by the heating of underground waters that have come into contact with, or are very close to, magma. Geyser discharges as high as 1,600 ft (500 m) have been recorded, but 160 ft (50 m) is much more common. Occasionally, a geyser will adopt an extremely regular and predictable pattern of intermittent activity and discharge for a few minutes every hour or so (for example, Old Faithful in Yellowstone National Park).
Examples of geyser in a Sentence
Hazlitt, 5 June 2024
Dramatically, as the rocket lifted off, a geyser of dirty water splashed upward alongside the vehicle, coating the rocket in grime.
—Stephen Clark, Ars Technica, 19 Apr. 2024
The herd was moving south, away from the lake and towards a geyser basin where the dirt was warm from underground volcanos, where openings in the earth breathed vapour from fumaroles.
—Hazlitt, 5 June 2024
The woman had walked toward the bison on a boardwalk near the Old Faithful geyser and came within 10 feet.
—Helena Wegner, Sacramento Bee, 4 June 2024
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Cite this Entry
“Geyser.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geyser. Accessed 4 Jul. 2024.
Copy CitationKids Definition
geyser
noun
from Icelandic Geyser "a hot spring in Iceland," from geysa "to rush forth"
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