dual

7 definitions • 11 examples

with two parts, or combining two things:

Everything he says has a dual meaning.

dual purpose This room has a dual purpose, serving as both a study and a dining room.

dual role the dual role of chairman and chief executive

two sets of controls in a vehicle, one for the person who is learning to operate the vehicle and one for the teacher:

The aircraft was equipped with dual controls.

the nationality or citizenship of two countries at the same time:

She has dual British and American nationality.

to change a road that is a single carriageway (= a road that has one strip for traffic going in each direction, with nothing to separate them) into a dual carriageway (= a road that has an area of land in the middle, dividing the rows of traffic that are moving in opposite directions):

The Scottish government was warned that fully dualling the road could take around a decade and cost over £7billion.

Local people have campaigned for more of the A64 between York and Scarborough to be dualled.

having two parts, or combining two things:

This room serves a dual purpose – it’s both a study and a guest room.

Someone with dual citizenship is a citizen of two countries at the same time.

having two parts, features, etc.:

In June, he bowed to shareholder pressure and split his dual role as chief executive and chairman.

With more families requiring dual incomes, people have less time to shop and run errands.

All cars manufactured after 1998 are required to have dual airbags.