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 ?
As you point out, Blake modeled relief etching on drawing, taking up brush and pen rather than the tools of engraving to execute his designs.
They knew that the transfer methods then available to Blake did not work in relief etching, so they had him invent a method perfectly analogous to the one Senefelder invented for lithography--ten years later.
As Joe's description of relief etching indicates, accident inhabited the production of the plates, not just the printing process.