1

resin

noun res·in \ ˈre-zᵊn \
Updated on: 10 Dec 2017

Definition of resin

1 a : 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 medicine
b : rosin
2 a : 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 plastics
b : any of various products made from a natural resin or a natural polymer

resinous

play \ˈre-zᵊn-əs, ˈrez-nəs\ adjective

Recent Examples of resin from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'resin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of resin

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


2

resin

verb

Definition of resin

resined; resining play \ˈre-zᵊn-iŋ, ˈrez-niŋ\
transitive verb
: to treat with resin

First Known Use of resin

1865

Other Chemical Engineering Terms


RESIN Defined for English Language Learners

resin

noun

Definition of resin for English Language Learners

  • : 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


RESIN Defined for Kids

resin

noun res·in \ ˈre-zᵊn \

Definition of resin for Students

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

Medical Dictionary

resin

noun res·in \ ˈrez-ᵊn \

medical Definition of resin

1 a : 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 nonconductors
b : rosin
c : a solid pharmaceutical preparation consisting chiefly of the resinous principles of a drug or drugs usually extracted by solvents
  • resin of jalap
2 a : 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 plastics
b : any of various products made from a natural resin or a natural polymer

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