Dual

/ˈdjuːəl/

Meaning & Definition

noun

A pair of things or a system of two.

The dual of a geometric shape can be analyzed to reveal its properties.

adjective

Consisting of two parts, elements, or aspects.

The dual nature of the project requires collaboration between scientists and engineers.

Relating to or representing two things.

The dual carriageway allows for faster travel in both directions.

In grammar, relating to a form that indicates two items or people.

Some languages still have a dual form in their grammatical structure.

From Latin 'dual-is', from 'duo' meaning 'two'.

dual citizenship

The status of being a citizen of two countries.

dual purpose

Having two functions or uses.

dual language

A system that uses two languages for communication.

duet

A performance by two musicians or singers.

duplicate

An exact copy of something.

dualism

The belief in two opposing principles.

Two-faced or deceptive in nature.

Don't trust him; he's as dual as they come.

Having contrasting qualities.

She's dual when it comes to her interests; she loves both sports and art.