1. plural of ditheism; belief systems or doctrines that recognize or worship two gods or two supreme principles
Usage: formal; religious/philosophical context; plural form

Examples

• Various ditheisms emerged in ancient Persian and Gnostic traditions.
• The scholar compared different ditheisms across world religions.
• Some early Christian heresies were accused of promoting ditheisms.
• Zoroastrianism is sometimes interpreted as one of the historical ditheisms.
• The professor lectured on how ditheisms differ from monotheistic faiths.