The Collaborative International Dictionary of English v.0.48:

Corpuscularian \Cor*pus`cu*la"ri*an\ (-l?"r?-an), a.
   Corpuscular. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Corpuscularian \Cor*pus`cu*la"ri*an\, n.
   An adherent of the corpuscular philosophy. --Bentley.
   [1913 Webster]