Dictionary

cohomology

noun co·ho·mol·o·gy \(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

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