- 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.
resin definition by Webster's New World
- 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: Middle English ; from Middle French resine ; from Classical Latin resina ; from or akin to Classical Greek rhētinē
resin definition by American Heritage Dictionary
- 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, synthetic plastics, and pharmaceuticals.
- 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.
Origin: Middle English, from Old French resine, from Latin rēsīna, from Greek dialectal *rhēsīnā, variant of Greek rhētīnē.
- resˈin·ous adjective
resin - Medical Definition
- Any of numerous clear to translucent yellow or brown, solid or semisolid, viscous substances of plant origin, such as copal, rosin, and amber.
- Any of numerous physically similar polymerized synthetics or chemically modified natural resins including thermoplastic materials and thermosetting materials.
- A precipitate formed by the addition of water to certain tinctures.
resin - Science Definition
- Any of numerous clear or translucent, yellowish or brownish substances that ooze from certain trees and plants. Resins are used in products such as varnishes, lacquers, adhesives, plastics, and drugs. Balsam is a resin.
- Any of various artificial substances, such as polyurethane, that have similar properties to natural resins and are used to make plastics.