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hydrothermal vent

noun, Oceanography, Geology
1.
an opening on the floor of the sea from which hot, mineral-rich solutions issue.
Compare vent1 (def 2).
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hydrothermal vent
  • Corliss and his team had found their submarine hydrothermal vent.
  • Focus:hydrothermal vent ecology and transfer of energy among organisms that live near vents.
  • Understanding the transport of hydrothermal vent fluids.
  • The students will create a model of a developing hydrothermal vent.
hydrothermal vent in Science
hydrothermal vent  
A fissure on the floor of a sea out of which flows water that has been heated by underlying magma. The water can be as hot as 400°C (752°F) and usually contains dissolved minerals that precipitate out of it upon contact with the colder seawater, building a stack of minerals, or chimney. Hydrothermal vents form an ecosystem for microbes and animals, such as tubeworms, giant clams, and blind shrimp, that can withstand the hostile environment. ◇ The hottest hydrothermal vents are called black smokers because they spew iron and sulfide which combine to form iron monosulfide, a black compound.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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