rock-forming
chiefly Geology
adjective
That forms rock; especially (of a mineral) that occurs as a major constituent of igneous rock.
Origin
Mid 19th century.
- military brat
- military brush
- military chest
- military college
- Military Cross
- military discharge
- military discipline
- military drum
- military engineering
- military execution
- military fever
- military hairbrush
- military history
- military honours
- military hospital
- military hotel
- military-industrial
- military-industrial complex
- military junta
- military law
- military-looking
- military macaw
- Military Medal
- military-minded
- military offence