xenolith Syllabification: (xen·o·lith)Pronunciation: /ˈzenəˌliTH, ˈzēnə-/Definition of xenolith noun Geology a piece of rock within an igneous rock that is not derived from the original magma but has been introduced from elsewhere, especially the surrounding country rock. xenolith in other Oxford dictionaries Definition of xenolith in the British & World English dictionary
