noun
algebra
AL-jih-bruh
noun
1
The branch of mathematics that uses letters and symbols to stand for numbers in equations and formulas.
"She struggled with algebra until her teacher explained it using real-world examples."
"Solving for x is one of the first skills taught in algebra class."
2
(advanced mathematics) A more general structure or system built from sets, operations, and rules, studied in abstract algebra.
"Graduate students spend a semester on the algebra of vector spaces."
How to Use Algebra
Learner’s notesIn plain EnglishThe math of using letters like x and y to represent unknown numbers and work out equations.
Common pairings
solve an algebra problem
linear algebra
algebra equation
Word Forms
algebras plural
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Etymology
From Arabic al-jabr ("reunion of broken parts"), taken from the title of a ninth-century mathematics text by al-Khwarizmi.