1. a substance that exists in three distinct crystalline forms
Usage: chemistry; mineralogy

Examples

• Carbon is a well-known trimorph, existing as diamond, graphite, and fullerene.
• The mineral calcium carbonate is a trimorph with three crystal structures.
• Scientists studied the trimorph to understand its different physical properties.
• Each form of the trimorph has unique optical characteristics.
• The laboratory identified all three phases of the trimorph compound.