Chemigram

A chemigram (from "chemistry" and gramma, Greek for "things written")^[1] is an experimental piece of art where an image is made by painting with chemicals on light-sensitive paper (such as photographic paper).

The term Chemigram was coined in the 1950s by Belgian artist Pierre Cordier.^[2]

^ "-gram". The New Oxford American Dictionary (2nd ed.).
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[1] "-gram". The New Oxford American Dictionary (2nd ed.).

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