超ちょう深しん海かい帯たいMeaningsNoun1. hadal zone; hadopelagic zone; trench zoneKanji used超exceed深deep海sea帯beltComposed of超ちょうsuper-; ultra-; hyper-; extreme; over; more than; exceedingPrefix深しん海かいdeep sea; depths of the sea; ocean depthsNoun帯たいband (e.g. conduction, valence); belt (e.g. Van-Allen, asteroid, etc.)Suffix