Wordnet 3.0
ADJECTIVE (1)
1. 
 distributed equitably in limited individual portions; 
- Example: "got along as best we could on rationed meat and sugar"
The Collaborative International Dictionary of English v.0.48:
distributed \distributed\ adj.
   1. spread from a central location to multiple points or
      recipients. Opposite of concentrated. [Narrower terms:
      apportioned, dealt out, doled out, meted out, parceled
      out; diffuse, diffused; dispensed; dispersed,
      spread; divided, divided up, shared, shared out on the
      basis of a plan or purpose); encyclical; rationed;
      scattered, widespread; sparse, thin; unfocused,
      unfocussed] Also See: distributive.
      [WordNet 1.5 +PJC]
   2. spread among a variety of securities; -- of investments.
   Syn: diversified.
        [WordNet 1.5]
              Distributing to the necessity of saints. --Rom.
                                                  xii. 13.
        [1913 Webster]
WordNet (r) 3.0 (2006):
rationed
    adj 1: distributed equitably in limited individual portions;
           "got along as best we could on rationed meat and sugar"