What does "abyssal rock" mean?

An igneous rock that crystallized at considerable depth in the crust; plutonic rock.

What is a synonym for "abyssal rock"?

Common synonyms include: basalt, bedrock, breccia, conglomerate, crag, gneiss.

Pronounced //əˈbɪs.l̩ ɹɒk//.

/əˈbɪs.l̩ ɹɒk/ noun

noun ·Rare ·Advanced level

Noun

1
An igneous rock that crystallized at considerable depth in the crust; plutonic rock.