Mariana Trench
Proper noun
Meaning
Mariana Trench
(oceanography) A submarine trench in the North Pacific Ocean, noted for having the deepest known point on Earth.
Synonyms
Examples
An observation of a flatfish from the Bathyscaphe Trieste at the bottom of the Mariana Trench at a depth of almost convert has been questioned by fish experts, and recent authorities do not recognize it as valid.
A secondary deep with a depth of convert was located at approximately convert to the east at coordN in the Mariana Trench.
Kaikō made many unmanned descents to the Mariana Trench during three expeditions in 1995, 1996 and 1998.
Four-anchor books are for those who want a tale deeper than the Mariana Trench.
On 23 January 1960, she reached the ocean floor in the Challenger Deep (the deepest southern part of the Mariana Trench), carrying Jacques Piccard and Don Walsh.
The Mariana Trench isn‘t really the deep, narrow furrow that the word “trench” implies.