aphanitic

adj

aphanitic

adj

/ˌæf.əˈnɪt.ɪk/

Etymology From aphanite + -ic.

Geography, Geology, Natural sciences, Petrology Pertaining to aphanites, igneous rocks composed of microscopic mineral crystals (fine grains too small to be visible to the naked eye.

Antonyms: phaneritic
Derived terms: microaphanitic

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.