Definition of diglossia
: the use of two varieties of the same language in different social contexts throughout a speech community A key defining characteristic of diglossia is that the two varieties are kept quite apart functionally. One is used in one set of circumstances and the other in an entirely different set. — Ronald Wardhaugh
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Medical Dictionary
diglossia
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noun
di·glos·sia
\dī-ˈgläs-ē-ə\
Medical Definition of diglossia
: the condition of having the tongue bifid
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Britannica English: Translation of diglossia for Arabic speakers
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