- The definition of a resin is a thick and sticky clear substance made from plants or trees that is used to make plastics, pills, lacquers, inks, glues and other things.
An example of a resin is the material rubbed onto the strings of a violin bow to make it easier to use.
- any of various solid or semisolid, viscous, usually clear or translucent, yellowish or brownish, organic substances exuded from various plants and trees: natural resins are soluble in ether, alcohol, etc., and are used in varnishes and lacquers, as modifiers in synthetic plastics, etc.
- synthetic resin
Origin of resinMiddle English ; from Middle French resine ; from Classical Latin resina ; from or akin to Classical Greek rhētinē
- Any of numerous clear to translucent yellow or brown, solid or semisolid, viscous substances of plant origin, such as copal, rosin, and amber, used principally in lacquers, varnishes, inks, adhesives, plastics, and pharmaceuticals. Resins are usually insoluble in water.
- Any of numerous physically similar polymerized synthetics or chemically modified natural resins including thermoplastic materials such as polyvinyl, polystyrene, and polyethylene and thermosetting materials such as polyesters, epoxies, and silicones that are used with fillers, stabilizers, pigments, and other components to form plastics.
transitive verbres·ined, res·in·ing, res·ines
Origin of resinMiddle English, from Old French resine, from Latin rēsīna, from Greek dialectal *rhēsīnā, variant of Greek rhētīnē.
(countable and uncountable, plural resins)
- A viscous hydrocarbon secretion of many plants, particularly coniferous trees.
- 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.
- Any synthetic compound of similar properties.