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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.
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