polyglossia |
undefined |
As a noun polyglossia
is the coexistence of multiple languages in the same area.
As an adjective undefined is
lacking a definition or value.
diglossia |
polyglossia |
As nouns the difference between diglossia and polyglossia
is that
diglossia is the coexistence of two closely related native languages or dialects among a certain population, one of which is regarded to be more prestigious than the other; also, that of two unrelated languages while
polyglossia is the coexistence of multiple languages in the same area.