collodion
n.
5< Gr kollbdcs, gluelike < kolla, glue + eidos, form6 a highly flammable, colorless or pale-yellow, viscous solution of pyroxylin in a mixture of alcohol and ether: it dries quickly, forming a tough, elastic film, and is used as a protective coating for wounds, in cements, etc.

Not much used these days because of extreme flammabil;ity of ether. And the "pyroxylin" = cellulose
nitrate is also highly inflammable when the ether is gone. Better cements are now readily available.