microlitic

American

[mahy-kruh-lit-ik] / ˌmaɪ krəˈlɪt ɪk /

adjective

Petrography.

of or relating to the texture of a porphyry whose groundmass consists of microlites in a glassy matrix.

First recorded in 1875–80; microlite + -ic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023