1. plural of eusociality; the state or quality of living in a highly organized social group with cooperative brood care, overlapping generations, and reproductive division of labor, as seen in ants, bees, and termites.
Usage: technical; biology; zoology

Examples

• The eusocialities of honeybee colonies demonstrate remarkable cooperation among thousands of individuals.
• Researchers study eusocialities in insects to understand the evolution of complex social structures.
• Ant colonies exhibit eusocialities with distinct castes performing specialized roles.
• The eusocialities found in termite mounds rival those of human societies in organizational complexity.
• Biologists compare eusocialities across different species to identify common evolutionary patterns.