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

Other Words from cohomology

cohomological \ -​ˌhō-​mə-​ˈlä-​ji-​kəl , -​ˌhä-​ \ adjective

First Known Use of cohomology

circa 1959, in the meaning defined above

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The first known use of cohomology was circa 1959

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Britannica.com: Encyclopedia article about cohomology

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