General English


  • noun a sticky oil secreted by some conifers or other trees, especially when they are cut


  • noun materials which are used with fillers and other components to form plastics, e.g. polyesters, epoxies and silicones

Cars & Driving

  • noun a synthetic, usually organic, material with a polymeric structure which, especially after having been treated with plasticizer, stabilizer, etc., becomes hard when dry


  • A natural or synthetic solid, or semisolid organic material of indefinite and often high molecular weight having a tendency to flow under stress. It usually has a softening or melting range and fractures conchoidally.
  • A natural vegetable substance occurring in various plants and trees, especially the coniferous species, used in varnishes, inks, medicines, plastic products, and adhesives.


  • Any of a class of amorphous substances, which can range from soft to very hard. Most resins are polymers, and may be naturally occurring, as is the case with amber, or synthetic, as in acrylic, epoxy, and phenolic resins.


  • Solid exudate from plants and trees used to seal wounds in the bark or skin and prevent infection. Some such as asafoetida, mastic and pine resin are used as flavourings.


  • noun a sticky sap or liquid which comes from some types of tree


  • noun a sticky oil which comes from some types of conifer, used both in papermaking and in ink production

Origin & History of “resin”

Resin comes via Old French resine and Latin resīna from Greek rhētínē ‘resin’, a word of unknown origin. A collateral form that arose in medieval Latin was rosīna, which has given English rosin (14th c.).