• –noun1.the branch of mathematics that deals with generalstatements of relations, utilizing letters and other symbols torepresent specific sets of numbers, values, vectors, etc., inthe description of such relations.2.any of several algebraic systems, esp. a ring in whichelements can be multiplied by real or complex numbers(linear algebra) as well as by other elements of the ring.3.any special system of notation adapted to the study of aspecial system of relationship: algebra of classes.