In
grammatical theory, definiteness is a feature of
noun phrases, distinguishing between entities which are specific and identifiable in a given context (definite noun phrases) and entities which are not (indefinite noun phrases).There is considerable variation in the expression of definiteness across languages: some languages use a definite
article (which can be a free form, a phrasal
clitic, or an
affix on the noun) to mark a definite noun phrase. Examples are:Free form: English the boy.Phrasal clitic: as in
Basque: Cf. emakume ("woman"), emakume-a (woman-ART: "the woman"), emakume ederr-a (woman beautiful-ART: "the beautiful woman")Noun affix: as in
Romanian: om ("man"), om-ul (man-ART: "the man"); om-ul bun (man-ART good: "the good man")
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