Noninterchangeable

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  noninterchangeable \noninterchangeable\ adj.
     1. (math, logic) not able to be interchanged without changing
        the truth value.
        [WordNet 1.5]
  
     2. Not able to be substituted for each other; -- of objects,


        such as parts of machinery; as, the ink cartidges on the
        new printer are noninterchangeable with those on the older
        model.
        [PJC]

From WordNet (r) 2.0 [wn]:

  noninterchangeable
       adj : such that the terms of an expression cannot be interchanged
             without changing the meaning; "the arguments of the
             symmetric relation, `is the father of', are
             noninterchangeable"