relation between two concepts where one of the concepts constitutes the whole and the other concept a part of that whole
NOTE A partitive relation exists between the concepts week and day, molecule and atom.
[ISO 1087-1:2000, definition 3.2.22]
EXAMPLE An aircraft cooling turbine is made up of a turbine wheel, a scroll housing and a impeller wheel. A partitive relation exists between aircraft cooling turbine and turbine wheel. A partitive relation exists between aircraft cooling turbine and scroll housing. A partitive relation exists between aircraft cooling turbine and impeller wheel.
concept in a partitive relation viewed as the whole
[ISO 1087-1:2000, definition 3.2.17]
EXAMPLE A partitive relation exists between aircraft cooling turbine and turbine wheel. In this relation, aircraft cooling turbine is the comprehensive concept.
concept in a partitive relation viewed as one of the parts making up the whole
[ISO 1087-1:2000, definition 3.2.18]
EXAMPLE An aircraft cooling turbine is made up of a turbine wheel, a scroll housing and a impeller wheel. An impeller wheel is a partitive concept with respect to aircraft cooling turbine.