lingua franca

Somalia is to introduce Swahili, the lingua franca of East Africa, to its national curriculum, the president has announced.

It’s not a matter of if but when: I live in a majority Latino city, near a Latino supermarket on a street where the lingua franca is Spanish.

Sport was the exception to the rule that all things American were the world’s cultural lingua franca.

The talk was in Spanish, an unremarkable fact given the language has been the lingua franca on most construction sites in Southern California for decades.

Most are published in languages other than English, the lingua franca of science, and only a small fraction of them are indexed in international citation and index systems.