Meaning ofabyssalin English

Adjective

1. relating to ocean depths (below 2000m)
   Abyssal zones are home to unique species that can't be found elsewhere.
2. deeply unfathomable; mysterious
   The abyssal darkness of the cave made it difficult to navigate.
3. extremely deep; plutonic (earth's crust)
   Abyssal rocks are formed by the cooling and solidification of magma deep within the earth.