Diglossia

Today, the notion of 'diglossia' occupies a prominent place in sociolinguistic research. Since the 1960s, when the dominant sense of 'diglossia' was the complementary sociofunctional distribution of two varieties of the same language, the term has been applied — often controversially — to a growing number of diverse sociolinguistic situations. As a consequence of this extension of the scope of the concept, in combination with an increasing interest in the relationship between the role of languag