A mixture of size and whiting or white lead, formerly used as a primer for distemper.
〈史〉白垩胶；白铅胶
Example sentencesExamples
The bed for stones is finished with clearcole but it is made with an excessive accuracy.
In cases when the emulsion paint must be applied to a surface with uneven absorption, (latex putty combined with plaster), the surface should be sized with clearcole or coated with (wallpaper-) glue.
Origin
Early 19th century: from French claire colle 'clear glue'.