noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A variety of pyroxene, usually of a black or dark green color, occurring in igneous rocks, such as basalt. countable, uncountable
2. 2
   dark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesium wordnet

Synonyms

All synonyms

calcium magnesium pyroxeneindicator mineralmagnesium iron pyroxenepetrographic indicatorpyroxene

Antonyms

All antonyms

nonindicator mineralnonpyroxene

Etymology

From Latin augītēs.