resin

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noun res·in \ˈre-z^ən\

Definition of resin

1a : any of various solid or semisolid amorphous fusible flammable natural organic substances that are usually transparent or translucent and yellowish to brown, are formed especially in plant secretions, are soluble in organic solvents (such as ether) but not in water, are electrical nonconductors, and are used chiefly in varnishes, printing inks, plastics, and sizes and in medicineb : rosin
2a : any of a large class of synthetic products that have some of the physical properties of natural resins but are different chemically and are used chiefly in plasticsb : any of various products made from a natural resin or a natural polymer

play \ˈre-z^ən-əs, ˈrez-nəs\ adjective

Middle English, from Anglo-French reisine, from Latin resina; akin to Greek rhētinē pine resin

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First Known Use: 14th century

See Words from the same year

verb res·in

;

play \ˈre-z^ən-iŋ, ˈrez-niŋ\

1865

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noun

: a yellow or brown sticky substance that comes from some trees and that is used to make various products
: an artificial substance that is similar to natural resins and that is used to make plastics

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noun res·in \ˈre-z^ən\

1 : a yellowish or brownish substance obtained from the gum or sap of some trees (as the pine) and used in varnishes and medicine
2 : any of various manufactured products that are similar to natural resins in properties and are used especially as plastics

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noun res·in \ˈrez-^ən\

1a: any of various solid or semisolid amorphous fusible flammable natural organic substances that are usually transparent or translucent and yellowish to brown, are formed especially in plant secretions, are soluble in organic solvents (as ether) but not in water, and are electrical nonconductorsb: rosinc: a solid pharmaceutical preparation consisting chiefly of the resinous principles of a drug or drugs usually extracted by solvents resin of jalap
2a: any of a large class of synthetic products that have some of the physical properties of natural resins but are different chemically and are used chiefly in plasticsb: any of various products made from a natural resin or a natural polymer