Learn how to say Dually correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word dual:
1 [attributive] consisting of two parts, elements, or aspects:
their dual role at work and home
dual-language texts in English and Italian
Grammar (in some languages) denoting an inflection that refers to exactly two people or things (as distinct from singular and plural).
(in an aircraft) using dual controls:
a dual flight
2 (often dual to) Mathematics (of a theorem, expression, etc.) related to another by the interchange of particular pairs of terms, such as ‘point’ and ‘line’.
1 Grammar a dual form of a word.
[mass noun] the dual number.
2 Mathematics a theorem, expression, etc., that is dual to another.
verb (duals, dualling, dualled)
[with object] British
convert (a road) into a dual carriageway:
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
(also dualise) verb
late Middle English (as a noun denoting either of the two middle incisor teeth in each jaw): from Latin dualis, from duo ‘two’