dual

US /ˈduː.əl/
UK /ˈduː.əl/
"dual" picture
1.

double, duplex

consisting of two parts, elements, or aspects

:
•
The car has a dual exhaust system.
La voiture a un système d'échappement double.
•
She has dual nationality.
Elle a la double nationalité.
:
doubletwofoldtwinbinarybipartite
:
dual controls