• A lotion of linseed oil and lime water, used as an application to burns and scalds; -- first used at the Carron iron works in Scotland.
Car'ron oil A lotion of linseed oil and lime water, used as an application to burns and scalds; -- first used at the Carron iron works in Scotland. 
Carron oil is a mixture of linseed oil and lime water which was formerly used for treating burns. It was first used at the Carron ironworks near Falkirk.
[n] - an ointment formerly used to treat burns
noun an ointment formerly used to treat burns