1. the study, practice, or advocacy of cultural diversity and the coexistence of multiple ethnic groups within a society or institution
Usage: often used in academic and policy contexts; typically plural or used as a mass noun

Examples

• The university's commitment to multiethnics is reflected in its diverse student body and inclusive curriculum.
• Multiethnics in urban communities has led to richer cultural exchanges and shared traditions.
• The school district implemented programs to promote multiethnics and reduce prejudice among students.
• Multiethnics requires ongoing dialogue and mutual respect between different cultural groups.
• City planners increasingly recognize the value of multiethnics in creating vibrant, cohesive neighborhoods.