What is another word for diglossia?
Pronunciation: [dˈɪɡlɒʃə] (IPA) 
Diglossia refers to a language situation in which two distinct dialects or languages are used within a speech community. Synonyms for this term include bilingualism, code-switching, and linguistic duality. Bilingualism is the knowledge and use of two languages equally, whereas code-switching is the alternating use of two languages in different situations. Linguistic duality is the presence of two official languages within a nation, region, or community. Diglossia is commonly found in countries where the formal written language differs from the spoken language, such as Arabic and Greek. The study of diglossia is important in understanding language change and interaction between language communities.
