Source : Webster's Revised Unabridged Dictionary (1913)

Particularism \Par*tic"u*lar*ism\, n. [Cf. F. particularisme.]
   1. A minute description; a detailed statement. [R.]

   2. (Theol.) The doctrine of particular election.

   3. (German Politics) Devotion to the interests of one's own
      kingdom or province rather than to those of the empire.

Source : WordNet®

particularism
     n : a focus on something particular