interfacial

from WordNet (r) 3.0 (2006)

interfacial
    adj 1: relating to or situated at an interface; "an interfacial
           layer"; "interfacial tension is the surface tension at
           the interface between two liquids"

from The Collaborative International Dictionary of English v.0.48

Interfacial \In`ter*fa"cial\, a. (Geom.)
   1. Included between two plane surfaces or faces; as, an
      interfacial angle.
      [1913 Webster]

   2. Of or pertaining to an interface.
      [PJC]

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