partitive

from WordNet (r) 3.0 (2006)

partitive
    adj 1: (Romance languages) relating to or denoting a part of a
           whole or a quantity that is less than the whole; "a
           partitive construction"
    2: indicating or characterized by or serving to create partition
       or division into parts; "partitive tendencies in education"
    3: serving to separate or divide into parts; "partitive
       tendencies in education"; "the uniting influence was stronger
       than the separative" [syn: {partitive}, {separative}]
    n 1: word (such a `some' or `less') that is used to indicate a
         part as distinct from a whole

from The Collaborative International Dictionary of English v.0.48

Partitive \Par"ti*tive\, a. [Cf. F. partitif.] (Gram.)
   Denoting a part; as, a partitive genitive.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Partitive \Par"ti*tive\, n. (Gram.)
   A word or phrase expressing partition, or denoting a part;
   as, the phrase "of the team" in "half of the team".
   [1913 Webster]