Chemigraphy

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Chemigraphy Any mechanical engraving process depending upon chemical action; specif., a process of zinc etching not employing photography.
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Century Dictionary and Cyclopedia
    • n chemigraphy A process of making zinc etchings without the aid of photography.
    • n chemigraphy A process of obtaining halftones by printing, from the same plate, in two colors, or two shades of the same color, one of which is slightly out of register.
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Etymology

Webster's Revised Unabridged Dictionary
Chemical, + -graphy,