noun \(ˌ)kō-hō-ˈmä-lə-jē\

Definition of COHOMOLOGY

:  a part of the theory of topology in which groups are used to study the properties of topological spaces and which is related in a complementary way to homology theory —called also cohomology theory
co·ho·mo·log·i·cal \-ˌhō-mə-ˈlä-ji-kəl, -ˌhä-\ adjective

First Known Use of COHOMOLOGY

circa 1959


Next Word in the Dictionary: Cohonina
Previous Word in the Dictionary: cohol
All Words Near: cohomology

Seen & Heard

What made you want to look up cohomology? Please tell us where you read or heard it (including the quote, if possible).