| Subject | French | English |
| tech. | amplitude d'un nombre complexe | amplitude of a complex number |
| tech. | argument d'un nombre complexe | amplitude of a complex number |
| tech. | d'un nombre complexe | argument of a complex number |
| tech., el. | module d'un nombre complexe | modulus of a complex number |
| scient. | nombre complexe | complex number |
| comp., MS | nombre complexe | complex number (A number in the form a + bi, where a and b are real numbers and i = sqrt(-1) , so that bi is imaginary unless b = 0) |
| automat. | nombre conjugué complexe | conjugate complex number |
| IT | nombres conjugués complexes | conjugate complex numbers |
| tech. | norme d'un nombre complexe | norm of a complex number |
| tech., el. | valeur absolue d'un nombre complexe | absolute value of a complex number |