combining form of COLLODION, as in collodio-chloride, etc. Collodiotype, a photograph obtained by the collodion process; also, the process itself.

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1853.  R. Hunt, Man. Photogr., 264. After coating the plate with collodio-iodide.

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c. 1865.  J. Wylde, in Circ. Sc., I. 159/2. The collodio-albumen process.

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1865.  Reader, No. 151. 578/3. The collodio-chloride process of Mr. Simpson.

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