Difference between revisions of "Density"

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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
 
* 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
 
  
 
* Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982
 
* Matt Roberts, Don Etherington, ''Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology'', U.S. Government Printing Office, Washington DC, 1982

Revision as of 04:13, 6 February 2014

Description

A measurement of the mass per unit volume of a material. Density is usually expressed as grams per cubic centimeter (g cm-3) for solids and liquids. The density of gases is generally expressed as grams per liter (g l-1). In practical term, a high density material is usually heavy, such as baryum, bismuth, gold, lead, platinum. Aluminium, carbon, magnesium, porous materials, such as a foam or paper will have a low density.

The term optical density is also used to refer to the optical opacity, or blackness, of a material like an exposed and developped photographic or radiographic film.

Synonyms and Related Terms

masse volumique (Fr.)

Authority

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • Encyclopedia Britannica, http://www.britannica.com Comment: "density." Encyclopædia Britannica. 2004. Encyclopædia Britannica Premium Service. 17 Nov. 2004 .

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