Any viscous, sticky transparent colorless liquid, although usually in reference to an energy-curable resin, coating or polymer used in Graphic Arts; an Ultra-Violet (UV) or Electron Beam (EB)- curable coating or overprint varnish(OPV.)
"Yo, Dylan - bring over the 55-gallon drum of clear goo. We gotta overprint the stack of 4-color Jacksonville Symphony Posters."
"OK, Oscar...will do."
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