# polytypism

> phenomenon that an element or compound occurs in several different structural modifications, that differ only in their stacking sequence of layers of (nearly) identical structure and composition

**Wikidata**: [Q2103170](https://www.wikidata.org/wiki/Q2103170)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Polytypism)  
**Source**: https://4ort.xyz/entity/polytypism
