cryptoclastic

[ krip-tuh-klas-tik ]
/ ˌkrɪp təˈklæs tɪk /

adjective Geology.

(of rock) composed of minute or microscopic fragments.

Words nearby cryptoclastic

crypto-, crypto-jew, cryptoanalysis, cryptobiont, cryptobiosis, cryptoclastic, cryptoclimate, cryptoclimatology, cryptococcal meningitis, cryptococcosis, cryptococcus

British Dictionary definitions for cryptoclastic

cryptoclastic
/ (ˌkrɪptəʊˈklæstɪk) /

adjective

(of minerals and rocks) composed of microscopic fragments