partitive -- (word (such a `some' or `less') that is used to indicate a part as distinct from a whole)
Overview of adj partitive
The adj partitive has 3 senses
partitive -- ((Romance languages) relating to or denoting a part of a whole or a quantity that is less than the whole; "a partitive construction")
partitive -- (indicating or characterized by or serving to create partition or division into parts; "partitive tendencies in education")
partitive, separative -- (serving to separate or divide into parts; "partitive tendencies in education"; "the uniting influence was stronger than the separative")