# Synonyms for imaginary number

## Synonyms for (noun) **imaginary number**

**Synonyms:** complex number, complex quantity, imaginary, imaginary number

**Definition:** (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1

**Similar words:** number

**Definition:** a concept of quantity involving zero and units

**Usage:** *every number has a unique position in the sequence*