xenoblast

[ zen-uh-blast, zee-nuh- ]

noun

, Mineralogy.

1. a crystal that forms in metamorphic rock and gets its outline from neighboring crystals.

xenoblast

/ zĕn′ə-blăst′,zē′nə- /

1. A mineral that has not developed its characteristic crystalline faces and that has formed in a rock that has undergone metamorphism.

Other Words From

• xeno·blastic adjective

Word History and Origins

Origin of xenoblast¹

First recorded in 1920–25; xeno- ( def ) + -blast ( def )