hydrothermal vent
noun
: a fissure in the ocean floor especially at or near a mid-ocean ridge from which mineral-rich superheated water issues
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“Hydrothermal vent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrothermal%20vent. Accessed 13 Jul. 2025.
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