Diglossa may refer to:
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Diglossia
In linguistics, diglossia () is a situation in which two dialects or languages are used (in fairly strict compartmentalization) by a single language community. In addition to the community's everyday or vernacular language variety (labeled " ...
, where two dialects or languages are used (in fairly strict compartmentalization and of different status) by a single language community
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''Diglossa'' (bird), a flowerpiercer genus
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