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Oceanic trench
Noun
Word Frequency:
0.0
Definitions
1.
Noun
A hemispheric-scale long but narrow topographic depression of the seabed.
Synonyms
trough
mid-oceanic ridge
mid-ocean ridge
trowal
tidal range
geosyncline
sea-rim
horizontal
abyssal plain
upfault
line of dip
artificial horizon
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