etching : Idioms & Phrases
Etching figures
(Min.) , markings produced on the face of a crystal by the action of an appropriate solvent. They have usually a definite form, and are important as revealing the molecular structure.
Webster 1913
Etching needle
- a sharp-pointed steel instrument with which lines are drawn in the ground or varnish in etching.
Webster 1913
Etching stitch
(Needlework) , a stitch used outline embroidery.
