porphyroblast

Noun

Meaning

English Wikipedia has an article on:porphyroblastWikipedia
porphyroblast (plural porphyroblasts)

(geology) A relatively large crystal within a metamorphic rock

Source: en.wiktionary.org

Close letter words and terms

porphyritic rock porphyrization porphyrize porphyroblastic porphyrogene porphyrogenite