mariana trench: meaning, definition, pronunciation and examples
LowFormal, Academic, Technical, Journalistic
Quick answer
What does “mariana trench” mean?
The deepest known point in the Earth's seabed, located in the western Pacific Ocean.
Audio
Pronunciation
Definition
Meaning and Definition
The deepest known point in the Earth's seabed, located in the western Pacific Ocean.
A symbol or metaphor for the ultimate depth, an extreme limit, or an abyssal, unexplored place.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage or spelling.
Connotations
Identical connotations of extreme depth and remoteness.
Frequency
Equally low frequency in both varieties, used in identical contexts (e.g., geography, documentaries, science news).
Grammar
How to Use “mariana trench” in a Sentence
[Subject] explores/descends into/reaches the Mariana Trench.The Mariana Trench is located in [Location].[Metaphor] is the Mariana Trench of [Abstract Concept].Vocabulary
Collocations
Examples
Examples of “mariana trench” in a Sentence
adjective
British English
- Mariana-Trench-like depths
American English
- Mariana Trench depths
Usage
Meaning in Context
Business
Rare. Possibly used metaphorically: 'The company's debt has become a financial Mariana Trench.'
Academic
Common in geology, oceanography, and environmental science texts discussing ocean topography.
Everyday
Rare. Might be used in conversation about interesting facts, documentaries, or as a metaphor for something very deep.
Technical
Standard term in earth sciences and marine biology for the specific geographical feature.
Vocabulary
Synonyms of “mariana trench”
Strong
Neutral
Weak
Watch out
Common Mistakes When Using “mariana trench”
- Incorrect capitalization ('mariana trench').
- Using 'trench' without 'the' when referring specifically to it ('He explored Mariana Trench' is incorrect; needs 'the').
- Confusing it with other trenches (e.g., Tonga Trench).
FAQ
Frequently Asked Questions
Yes, its deepest point, Challenger Deep, is the lowest known point on Earth's seabed.
Yes, it is commonly used as a metaphor for the deepest or most extreme example of something, e.g., 'the Mariana Trench of despair'.
Yes, when referring to the specific geographical feature, it is always 'the Mariana Trench'. You might omit 'the' only in very rare, stylized or adjective-like uses (e.g., 'Mariana Trench exploration').
The Mariana Trench is the entire underwater trench. Challenger Deep is a specific small valley within the southern end of the Mariana Trench and is its deepest point.
The deepest known point in the Earth's seabed, located in the western Pacific Ocean.
Mariana trench is usually formal, academic, technical, journalistic in register.
Mariana trench: in British English it is pronounced /ˌmæriˈɑːnə ˈtrentʃ/, and in American English it is pronounced /ˌmeriˈænə ˈtrentʃ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[Not an idiom, but used metaphorically, e.g., 'His grief was a Mariana Trench.']”
Learning
Memory Aids
Mnemonic
Imagine a MARRIAGE (Mariana) that's so deep it's in a TRENCH. Think 'Mary and Anna dug the deepest trench.'
Conceptual Metaphor
THE EXTREME LIMIT / THE ULTIMATE DEPTH (used for abstract concepts: despair, ignorance, debt).
Practice
Quiz
What is the primary context for using the term 'Mariana Trench'?