A growth or accumulation of material on the exterior surface of an object. Accretions may be unintentional (dirt, salts, corrosion, insect deposits, guano, drips, burial deposits) or intentional (expansion, alteration) additions that change the appearance of the object.
Synonyms and Related Terms
encrustation; incrustation; flyspeck; accrétion (Fr.)
Sources Checked for Data in Record
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Accretion (Jan. 6, 2006)
- A Glossary of Paper Conservation Terms, Margaret Ellis (ed.), Conservation Center of the Institute of Fine Arts, New York City, 1998
- Matte Paint: Its history and technology, analysis, properties and conservation treatment, Eric Hansen, Sue Walston, Mitchell Bishop (ed.), J. Paul Getty Trust, Los Angeles, Vol. 30 of AATA, 1993
- Richard Buck, Inspecting and Describing the Condition of Art Objects, Museum Registration Methods, AAM, Washington DC, 1979