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A dispersion of bubbles in a solid or liquid. Examples of liquid foams are shaving cream, whipped cream, meringue, and foamed hair products. Examples of solid foams are foam rubber, Styrofoam®, and bread. Foams may be generated by mechanical (mixing, agitation) or chemical (gas producing reactions) methods.

Synonyms and Related Terms

foams; expanded plastic; froth

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990
  • 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

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