The Collaborative International Dictionary of English v.0.48:

Roric \Ro"ric\, a. [L. ros, roris, dew.]
   Of or pertaining to dew; resembling dew; dewy.
   [1913 Webster]

   Roric figures (Physics), figures which appear upon a
      polished surface, as glass, when objects which have been
      near to, or in contact with, the surface are removed and
      the surface breathed upon; -- called also Moser's
      images.
      [1913 Webster]