1. the existence of different crystalline forms of the same chemical compound
Usage: chemistry; mineralogy
2. variation in the form of a linguistic unit while maintaining the same function or meaning
Usage: linguistics

Examples

• Diamond and graphite demonstrate allomorphism as different forms of carbon.
• The mineral calcite exhibits allomorphism with several crystal structures.
• Allomorphism in linguistics explains why ‘cats’ and ‘dogs’ have different plural endings.
• The chemist studied the allomorphism of sulfur compounds.
• Allomorphism helps explain morphological variations in language.
• The crystal’s allomorphism was evident under different temperature conditions.