cohomology

noun
co·​ho·​mol·​o·​gy | \ (ˌ)kō-hō-ˈmä-lə-jē How to pronounce cohomology (audio) \

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 \ (ˌ)kō-​ˌhō-​mə-​ˈlä-​ji-​kəl How to pronounce cohomological (audio) , -​ˌhä-​ \ adjective

First Known Use of cohomology

circa 1959, in the meaning defined above

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Time Traveler

The first known use of cohomology was circa 1959

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Cite this Entry

“Cohomology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cohomology. Accessed 10 Aug. 2020.

More from Merriam-Webster on cohomology

Britannica.com: Encyclopedia article about cohomology

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