oceanic abyss
A long steep-sided depression in the ocean floorA long steep-sided depression in the ocean floor.
Meaning
1 senses(uncountable)A long steep-sided depression in the ocean floor.
a long steep-sided depression in the ocean floor
Synonyms
2 synonymsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable