American Heritage Dictionary
(3)
Century Dictionary
(15)
GNU Webster's 1913
WordNet
(1)
Elsewhere on the web
They have become ubiquitous in abstract algebra and other areas of mathematics that involve algebraic structures, such as algebraic topology, algebraic geometry, and algebraic number theory.— Citizendium, the Citizens' Compendium - Recent changes [en]
The theory of inverse semigroups is described from its origins in the foundations of differential geometry through to its most recent applications in combinatorial group theory, and the theory tilings. ait algebraic-topology algorithmic-information-theory category-theory combinatorics computer-vision geometry groupoids group-theory partial-order partial-symmetry semigroups similarity-measures symmetry CiteULike organises scholarly (or academic) papers or literature and provides bibliographic (which means it makes bibliographies) for universities and higher education establishments.— CiteULike: Everyone's library
The focus is on methods that lie close to the field of computational geometry ait algebraic-topology algorithmic-information-theory category-theory combinatorics computer-vision geometry groupoids group-theory ml netflix partial-order partial-symmetry recommender semigroups similarity-measures symmetry CiteULike organises scholarly (or academic) papers or literature and provides bibliographic (which means it makes bibliographies) for universities and higher education establishments.— CiteULike: Everyone's library
A large number of solutions have been proposed in different areas, in ... ait algebraic-topology algorithmic-information-theory category-theory combinatorics computer-vision geometry groupoids group-theory ml netflix partial-order partial-symmetry recommender semigroups similarity-measures symmetry CiteULike organises scholarly (or academic) papers or literature and provides bibliographic (which means it makes bibliographies) for universities and higher education establishments.— CiteULike: Everyone's library

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word several times a year.
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