The linguist argued that the ancient language had a dualic pronoun distinct from singular and plural.

I upgraded to a dualband router to improve Wi-Fi coverage in my home.

The research team's new algorithm improves the dualisation process for converting networks into their dual graphs.

The research paper compared several dualisations proposed in different theoretical frameworks.

In the paper, the author argued that dualia tantum challenge how grammars classify number distinctions.