# Definition:Division/Divisor

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## Definition

Let $c = a / b$ denote the division operation on two elements $a$ and $b$ of a field.

The element $b$ is the **divisor** of $a$.

## Also known as

The **divisor** of an expression $a / b$ is also known as the **denominator** of that expression.

## Also see

## Linguistic Note

The word **divisor**, in the context of a division operation $a / b$, means **that which divides**.

The idea is that $a$ is **divided by** $b$, that is, **divided into $b$ parts**.

## Sources

- 2008: David Nelson:
*The Penguin Dictionary of Mathematics*(4th ed.) ... (previous) ... (next):**divisor**:**1.**