from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A variety of high-magnesium olivine basalt.
from the GNU version of the Collaborative International Dictionary of English
- n. A dark green igneous rock, consisting largely of chrysolite, with hornblende, augite, biotite, etc.
from The Century Dictionary and Cyclopedia
- n. A name proposed for one of the many varieties of olivin-rock, in regard to whose nomenclature lithologists are far from being in accord.
Sorry, no etymologies found.