Definitions

1. noun

the process of two or more things evolving together in response to environmental pressures, often resulting in mutual adaptation or dependence.

“The biologist studied the coadaptation of the plant and the insect that pollinated it.”

2. noun

an instance of two or more things that have evolved together in response to environmental pressures.

“The unique coadaptation between the coral and the algae that live together on the reef is an important part of the ecosystem.”