cohomology
Word Rarity
Very rare
Frequency: Zipf frequency 2.14 in modern English
21
Scrabble Score
10
Letters
5
Syllables
7
Unique Chars
Meaning
noun
A method of contravariantly associating a family of invariant quotient groups to each algebraic or geometric object of a category, including categories of geometric and algebraic objects.
Countable; Uncountable
Example Sentences
- "In section 1 we start off by recalling some fundamental results in cohomology of groups, in particular the Evens–Venkov result on finite generation of the cohomology ring (Theorem 2) and Quillen's landmark result which describes H*BG up to F-isomorphism (Theorem 5)."
Etymology
Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-lbor. English co- English homology English cohomology From co- + homology.