In online math dictionary you will find the meaning of all the mathematical word. If the student during any explanation doesn’t understand a particular word he/she can always take the help of the dictionary. Parents and teachers can also take the help of the dictionary to explain your children.

**abacus**

An oriental device used for counting and calculating.

**abelian group**

A group in which the binary operation is commutative or satisfies the
commutative law,that is,xy = yx for all elements x and y in the group.

**abscissa**

In a 2-dimensional coordinate system the horizontal value of x in a pair of coordinates

**absolute value **

The numerical value of a real number, disregarding the sign. For example, |2|=2, |-3|=3, and |0|=0.

**abundant number **

A perfect integer that is greater than the sum of all its proper factors, including 1.

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