Find the word definition

The Collaborative International Dictionary
Phanerocrystalline

Phanerocrystalline \Phan`er*o*crys"tal*line\, a. [Gr. ? visible + E. crystalline.] (Geol.) Distinctly crystalline; -- used of rocks. Opposed to cryptocrystalline.

Wiktionary
phanerocrystalline

a. (context geology English) Distinctly crystalline; used of rocks.