中ちゅう央おう海かい嶺れいちゅうおうかいれいMeanings1noun, noun which may take the genitive case particle 'no'mid-ocean ridgeA geological term for an underwater mountain range formed by plate tectonics. Used in scientific contexts.中ちゅう央おう海かい嶺れいは、プレートが生うまれる場ば所しょです。