Isotype
Isotype can refer to:
- In crystallography, "isotype" is a synonym for isomorph
- Isotype (biology), per the International Code of Nomenclature for algae, fungi, and plants, a duplicate of the holotype.
- Isosyntype, a duplicate of a syntype.
- Isotype (picture language), a method of showing social, technological, biological and historical connections in pictorial form.
- Isotype (immunology), any of the related proteins/genes from a particular gene family.