crystoleum

noun crys·to·le·um \ kriˈstōlēəm \

Definition of crystoleum

plural -s

: an obsolete process in which a photograph was transferred to glass, the paper backing removed, and the image layer colored by the application of colors to the back

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Origin and Etymology of crystoleum

crystal + Latin oleum oil

NEW! Time Traveler

First Known Use: 1882

in the meaning defined above

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