abyssal rock

== English == === Pronunciation === (Received Pronunciation) IPA(key): /əˈbɪs.l̩ ɹɒk/ (US) IPA(key): /əˈbɪs.l̩ ɹɑk/ === Noun === abyssal rock (plural abyssal rocks) (geology) An igneous rock that crystallized at considerable depth in the crust; plutonic rock. ==== Translations ==== === References === Philip Babcock Gove (editor), Webster's Third International Dictionary of the English Language, Unabridged (G. & C. Merriam Co., 1976 [1909], →ISBN), page 9