Definitions

1. noun

a relationship between two or more mathematical concepts, such as the relationship between two groups, or the relationship between a group and its subgroup

“In abstract algebra, the co-function of the group G is the set of all elements in G that, when paired with another element in G, produce the identity element.”

2. verb

to function or work together

“The two companies cofunctioned to create a new product.”

3. noun

a person or thing that functions or works together with another

“The cofunction of the team was crucial to their success.”