Any one of a class of yellowish brown solid inflammable substances, of vegetable origin, which are nonconductors of electricity, have a vitreous fracture, and are soluble in ether, alcohol, and essential oils, but not in water; specif., pine resin (see Rosin).
Any of various polymeric substance resembling the natural resins[1], prepared synthetically; - they are used, especially in particulate form, in research and industry for their property of specifically absorbing or adsorbing substances of particular types; they are especially useful in separation processes such as chromatography; as, an ion-exchange resin.
A varnish, consisting of a solution of shellac in alcohol, often colored with gamboge, saffron, or the like; - used for varnishing metals, papier-maché, and wood. The name is also given to varnishes made of other ingredients, esp. the tough, solid varnish of the Japanese, with which ornamental objects are made.
To cover with lacquer.