1. containing or impregnated with minerals
Usage: British spelling
2. converted into mineral form through geological processes
Usage: British spelling; geology

Examples

• The mineralised water from the spring was rich in calcium and magnesium.
• Scientists discovered mineralised bone fragments in the ancient cave.
• The heavily mineralised soil made it difficult for plants to grow.
• Mineralised wood can be found in petrified forests around the world.
• The company tested the mineralised groundwater for contamination.
• Fossilised shells become mineralised over millions of years.