Definition of algebra in English:
algebra
Syllabification: al·ge·braPronunciation: /ˈaljəbrə
/
noun
1The part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
More example sentences
 Among his many mathematical achievements can be included profound discoveries in logic, algebra and differential equations.
 Aitken's mathematical work was in statistics, numerical analysis, and algebra.
 König worked on a wide range of topics in algebra, number theory, geometry, set theory, and analysis.
1.1A system of algebra based on given axioms.
More example sentences
 This was the time when Brauer made his fundamental contribution to the algebraic theory of simple algebras.…
 Malcev also studied Lie groups and topological algebras, producing a synthesis of algebra and mathematical logic.
 In 1870 Peirce published, at his own expense, Linear Associative Algebra a classification of all complex associative algebras of dimension less than seven.
Origin
late Middle English: from Italian, Spanish, and medieval Latin, from Arabic aljabr 'the reunion of broken parts', 'bone setting', from jabara 'reunite, restore'. The original sense, 'the surgical treatment of fractures', probably came via Spanish, in which it survives; the mathematical sense comes from the title of a book, ʿilm aljabr wa'lmuḳābala 'the science of restoring what is missing and equating like with like', by the mathematician alḴwārizmī (see algorithm).
Derivatives

algebraist
 More example sentences
 Or he might want to train future algebraists and maybe attract a few Ph.D. students for himself.
 Few algebraists seriously think about writing the great American comprehensive algebra text.
 In other words, like many other algebraists, Chinese or not, he demonstrates algebra by using it…
Pronunciation: /ˌbrāist/
noun
Definition of algebra in:
 The British & World English dictionary