xenolith


xe·no·lith

noun \ˈze-nə-ˌlith, ˈzē-\

Definition of XENOLITH

:  a fragment of a rock included in another rock
xe·no·lith·ic \ˌze-nə-ˈli-thik, ˌzē-\ adjective

First Known Use of XENOLITH

1894

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