熱ねっ水すい湧ゆう出しゅつ域いきMeanings1nounhydrothermal discharge zoneTechnical term used in geology and oceanography for areas where hot, mineral-rich water emerges from the seafloor or crust.深しん海かいの熱ねっ水すい湧ゆう出しゅつ域いきには独どく特とくの生せい態たい系けいが存そん在ざいする。Unique ecosystems exist in deep-sea hydrothermal discharge zones.