An artist who creates etchings using aquafortis, a dilute nitric acid, to carve designs into metal plates.
From 'aquafortis' plus '-ist' (one who practices). This occupational term emerged in the 16th-17th centuries as etching became an established artistic medium.
Master aquafortists like Rembrandt were absolute wizards at controlling how deep the acid bit into the plate—a few seconds difference could mean the difference between a delicate line and a harsh gash.
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