lavis (technique) <p>Printmaking technique in which the plate is painted directly with acid, so that the artist is drawing with acid rather than ink; the acid is washed off when the desired effect had been achieved. Technique is typically used with etching, rather than as the sole technique.</p> <p>Source: Art &amp; Architecture Thesaurus</p> <p>http://vocab.getty.edu/page/aat/300417481</p>