Definition of Mariana Trench in English:

Mariana Trench

Line breaks: Mari|ana Trench
An ocean trench to the south-east of the Mariana Islands in the western Pacific, with the greatest known ocean depth (11,034 m, 36,201 ft at the Challenger Deep).

More definitions of Mariana Trench

Definition of Mariana Trench in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day semblance
Pronunciation: ˈsɛmbləns
noun
the outward appearance or apparent form of something…