1. divided into two parts or classifications; characterized by dichotomy
2. branching into two equal parts
Usage: biology; botany

Examples

• The survey used dichotomous questions with only yes or no answers.
• His thinking was dichotomous, seeing everything as either right or wrong.
• The dichotomous key helped students identify different species of plants.
• The dichotomous branching pattern was clearly visible in the coral structure.
• Political debates often present dichotomous choices between opposing viewpoints.
• The dichotomous nature of the classification system made it easy to use.