Difference between Rosin and Resin

What is the difference between Rosin and Resin?

Rosin as a noun is a yellow-brown resin obtained from several conifers; used in inks, varnishes, adhesives etc; consists of a mixture of terpenoid acids, mostly abietic acid. while Resin as a noun is any of various yellowish viscous liquids or soft solids of plant origin; used in lacquers, varnishes and many other applications; chemically they are mostly hydrocarbons, often polycyclic

We hope you now know whether to use Rosin or Resin in your sentence.