The surface that is a common boundary between two different materials.
Sources Checked for Data in Record
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
- Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988