The act or state of being mixed together; a union or mingling of constituents; commixtion.
The state of people of different types, races, cultures, communities, etc., living together.
The occurrence of two different or opposing things in the same time and place.
A close, prolonged association between two or more organisms of different species, regardless of benefit to the members.
A close, prolonged association between two or more organisms of different species that normally benefits both members. An interspecies cooperation.
A relationship of mutual benefit, especially among different species.