# Definition:Trillion

## Definition

### Short Scale

Trillion is a name for $10^{12}$ in the short scale system:

One trillion $= 10^{3 \times 3 + 3}$

### Long Scale

Trillion is a name for $10^{18}$ in the long scale system:

One trillion $= 10^{6 \times 3}$

## Linguistic Note

The word trillion derives from the prefix tri-, meaning threefold, and million, originating as the number $1 \, 000 \, 000$ to the power of $3$.