1. to merge gradually into another form or type through intermediate stages
Usage: biology; technical

1. an intermediate form between two distinct types or species
Usage: biology; technical

Examples

• The two subspecies intergrade in the border region where their ranges meet.
• Scientists found that the populations intergrade gradually across the mountain range.
• The forest intergrades with grassland at higher elevations.
• This specimen appears to be an intergrade between the two recognized species.
• The intergrade showed characteristics of both parent forms.
• Researchers studied the intergrade zone where the two varieties overlap.