real number
Plural
real numbers
1
any number that can be found on the number line, including both positive and negative numbers, zero, and fractions
- The number 5 is a real number because it can be located on the number line.
- Negative numbers, like -3, are also real numbers.
- In mathematics, the set of real numbers is often denoted by the symbol R.
- Real numbers can be used to measure continuous quantities, such as distance and time.
- Every point on the number line corresponds to a real number.
Synonyms: