Dictionary

abyssal plain

noun

Definition of ABYSSAL PLAIN

:  any of the great flat sediment-covered areas of ocean floor — see continental shelf illustration
ADVERTISEMENT

First Known Use of ABYSSAL PLAIN

1954

Browse

Next Word in the Dictionary: abyssal rockPrevious Word in the Dictionary: abyssalpelagicAll Words Near: abyssal plain
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears