oceanic trench
C598
concept
An oceanic trench is a long, narrow, and extremely deep depression in the ocean floor, typically formed at convergent plate boundaries where one tectonic plate subducts beneath another.
All labels observed (17)
| Label | Occurrences |
|---|---|
| oceanic trench canonical | 43 |
| subduction zone feature | 10 |
| undersea depression | 6 |
| deepest point | 5 |
| oceanic trench feature | 5 |
| oceanic trench system | 5 |
| submarine depression | 5 |
| submarine trench | 5 |
| deep-sea depression | 2 |
| deep-sea feature | 2 |
| oceanic trench point | 2 |
| deep-sea trench | 1 |
| deepest point of Tonga Trench | 1 |
| deep‑sea depression | 1 |
| undersea geographic feature | 1 |
| undersea trench | 1 |
| undersea valley | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: oceanic trench
Generated description
An oceanic trench is a long, narrow, and extremely deep depression in the ocean floor, typically formed at convergent plate boundaries where one tectonic plate subducts beneath another.
Instances (69)
| Instance | Via concept surface |
|---|---|
| Tonga Trench | — |
| Guam Trench | — |
| Vitiaz Trench region | oceanic trench system |
| Solomon Trench | — |
| Gdansk Deep | undersea depression |
| Landsort Deep | submarine depression |
| Palau Trench | — |
| Timor Trench | — |
| Tanimbar Trough | — |
| Banda Trench | — |
| Sirena Deep | oceanic trench feature |
| Cayman Trough | — |
| Nankai Trough | submarine trench |
| Greenland Basin | submarine depression |
|
Brownson
surface form:
Brownson Deep
|
undersea trench |
| Sulu Trench | — |
| Scholl Deep | oceanic trench feature |
| Bonin Trench | — |
| Peru–Chile Trench region | oceanic trench system |