[ˈdjuːəl], (Adjective)

Definitions:
- consisting of two parts, elements, or aspects
(e.g: their dual role at work and home)

- (of a theorem, expression, etc.) related to another by the interchange of particular pairs of terms, such as ‘point’ and ‘line’


Phrases:

Origin:
late Middle English (as a noun denoting either of the two middle incisor teeth in each jaw): from Latin dualis, from duo ‘two’

[ˈdjuːəl], (Noun)

Definitions:
- a dual form of a word

- a theorem, expression, etc., that is dual to another


Phrases:

Origin:
late Middle English (as a noun denoting either of the two middle incisor teeth in each jaw): from Latin dualis, from duo ‘two’

[ˈdjuːəl], (Verb)

Definitions:
- convert (a road) into a dual carriageway
(e.g: though there are no plans to dual the road, a public consultation on the A64 is set to start before the end of the year)


Phrases:

Origin:
late Middle English (as a noun denoting either of the two middle incisor teeth in each jaw): from Latin dualis, from duo ‘two’