Definition of Mariana Trench in English:

Share this entry

Mariana Trench

An ocean trench to the southeast of the Mariana Islands in the western Pacific Ocean. Its greatest known ocean depth is 36,201 feet (11,034 m) at the Challenger Deep, which was discovered by HMS Challenger II in 1948.

For editors and proofreaders

Syllabification: Ma·ri·an·a Trench

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.