English noun: imaginary number | |||
| 1. | imaginary number (quantity) (mathematics) a number of the form a+bi where a and b are real numbers and i is the square root of -1 | ||
| Synonyms | complex number, complex quantity, imaginary | ||
| Broader (hypernym) | number | ||
| Narrower (hyponym) | complex conjugate, pure imaginary number, real, real number | ||
| Part holonym | imaginary part, imaginary part of a complex number | ||
| Domain category | math, mathematics, maths | ||