orthopyroxene
This term is a highly specialized technical descriptor used almost exclusively within the fields of mineralogy, petrology, and geology. It describes a specific chemical and structural class of minerals, distinguishing them from clinopyroxenes based on their symmetry.
In professional contexts, the word is typically used to describe the composition of igneous rocks, such as gabbro or peridotite. It is rarely used outside of academic or industrial geological reports, and there are no common colloquial equivalents or metaphorical uses.
Meanings
Examples
Look at these crystals; they are definitely orthopyroxene based on the extinction angle.
Orthopyroxene is a common constituent of many igneous rocks.
The mineral orthopyroxene exhibits an orthorhombic crystal system.