Definitions for

**"Irrational numbers"**The set of numbers on the number line that are not rational numbers; i.e. that cannot be expressed in the form / where and are integers.

The set of numbers which cannot be represented as fractions. Examples are and p

subset of real numbers whose decimal representations neither repeat nor terminate; may also be defined as the subset of real numbers which are not rational numbers (e.g., both Ö and are irrational)