etching

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etching

 [ech´ing]
the cutting of a hard surface such as metal or glass by a corrosive chemical, usually an acid, in order to create a design.
acid etching etching of dental enamel with an acid in order to roughen the surface, increase retention of resin sealant, and promote mechanical retention.

etching

[ech′ing]
the cutting of a hard surface, such as metal or glass, by a corrosive chemical, usually an acid, to create a design.

etching,

n a process used to decalcify the superficial layers of enamel as a step in the application of sealants or bonding agents in preventive dentistry and orthodontics. The agent of choice is phosphoric acid in concentrations of 30% to 40%.

etching

References in periodicals archive ?
Some 313 sets of Picasso's 100 etchings were printed.
Blind Minotaur Led by a Little Girl in the Night - one of 100 Pablo Picasso etchings donated to the British Museum
1 -- color) Gallery visitors study etchings from the 1799 collection by Francisco Goya.
But during his lifetime, it was etchings that made for Rembrandt's fame in Europe.
The account fits the vivid realization of narrative groups in drawings that also find their way into the etchings.
A woman who bought an old book in the Dutch city of Utrecht last month found the etchings pressed between the pages along with a third etching by one of Rembrandt's students.
The student's etching went to the same Berlin-based dealer for pounds 3,000.
Now, using scanning tunneling microscopes and atomic force microscopes, scientists are etching surfaces and building machine parts with features only a fraction of a micrometer in size.
The Park West Collection includes 300 paintings, watercolors, drawings, lithographs, serigraphs, and etchings by Tarkay, Altman, Picot, Agam, Lebadang, Fanch, Mouly, Wolfson, Cambier, Dus, Bragg, Kipniss, LeKinff, King, Krasnyansky, Vasarely, Markos, Rea, Wood, Cambour and Bardet.