ねっすいゆうしゅついき 熱水湧出域 LinksSentence search for 熱水湧出域Sentence search for ねっすいゆうしゅついきKanji details for 熱, 水, 湧, 出 and 域Edit in JMdict Noun1. hydrothermal discharge zone Discussions Log in to talk about this word.