# Definition:Dimensional Analysis

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## Definition

**Dimensional analysis** is the branch of applied mathematics which studies the relationships between physical quantities by identifying their fundamental dimensions and units of measurement.

As such it can also be considered to be a branch of number theory.

## Also see

- Results about
**dimensional analysis**can be found here.

## Sources

- 2008: David Nelson:
*The Penguin Dictionary of Mathematics*(4th ed.) ... (previous) ... (next): Entry:**dimensional analysis**