cryptoclastic

[ krip-tuh-klas-tik ]

adjective

, Geology.

1. (of rock) composed of minute or microscopic fragments.

cryptoclastic

/ ˌkrɪptəʊˈklæstɪk /

adjective

1. (of minerals and rocks) composed of microscopic fragments

Word History and Origins

Origin of cryptoclastic¹

First recorded in 1875–80; crypto- ( def ) + clastic ( def ); modeled on German kryptoklastisch