algebra

/ˈæl.dʒɪ.bɹə/noun

A branch of mathematics that uses letters and symbols to stand for unknown numbers in equations.

Example sentence

“In algebra class, we learned how to solve for x.”

Comes from Arabic "al-jabr", a term from a ninth-century mathematics treatise. Takes a singular verb.

Related words

geometryThe area of mathematics concerned with shapes, sizes, and the relationships between points, lines, and surfaces.arithmeticThe branch of mathematics that deals with numbers and the basic operations of adding, subtracting, multiplying, and dividing.biologyThe science that examines living things and how they function.moduleA separate part of a larger system that works on its own and connects to the other parts in a standard way.chemistryThe science that studies what substances are made of and how they change when their molecules are rearranged.courseworkProjects and assignments that students must complete for a course and that count toward their final grade.