algebra

Definitions

• (uncountable) A system for computation using letters or other symbols to represent numbers, with rules for manipulating these symbols.
• (uncountable) The surgical treatment of a dislocated or fractured bone. Also (countable): a dislocation or fracture.
• (uncountable) The study of algebraic structures.
• (countable) A universal algebra.
• (countable) An algebraic structure consisting of a module over a commutative ring (or a vector space over a field) along with an additional binary operation that is bilinear over module (or vector) addition and scalar multiplication.
• (countable) A collection of subsets of a given set, such that this collection contains the empty set, and the collection is closed under unions and complements (and thereby also under intersections and differences).
• (countable) One of several other types of mathematical structure.
• (figurative) A system or process, that is like algebra by substituting one thing for another, or in using signs, symbols, etc., to represent concepts or ideas.