adjective
- of, relating to, or containing olivine (a greenish mineral composed of magnesium and iron silicates)
Usage: geology; technical
Examples
- The olivinic composition of the basalt sample indicated its volcanic origin.
- Olivinic rocks are commonly found in the Earth's mantle.
- The geologist identified olivinic minerals under the microscope.
- Olivinic crystals give some meteorites their distinctive greenish hue.