ETCHING n.
An impression on paper, parchment, or other material, taken in ink from an etched plate. 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. -- Etching needle, a sharp-poin…
EXCEPTION n. 3 definitions
That which is excepted or taken out from others; a person, thing, or case, specified as distinct, or not included; as, almost every general rule has its exceptions. Such rare exceptions, shining in the dark, Prove, rather than impeach, the just remark. Cowper.