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
resinousplay \ˈre-zən-əs, ˈrez-nəs\ adjective
Recent Examples of resin from the Web
Weatherproof sectional sofas, loungers, armchairs, and ottomans are made from a resin-rattan weave and topped with Sunbrella-upholstered cushions; vibrant all-weather striped pillows add color and personality. 81.
Sheets of carbon fiber treated with a sticky resin are sandwiched in two layers and rolled around a metal tube before the cylinder is wrapped in cellophane tape and cooked hanging vertically like a sausage.
Red Lion Chem Tech of Jacksonville, Fla., will receive $165,000 to install absorbent resin filters to remove copper from bay water.
Ugandans prize the insects for their honey, wax (used in soap and cosmetics), propolis (a resin used to close holes in their hives) and even their venom, which can be used to boost immunity.
Living-room walls are swapped for resin panels trimmed in 24-karat gold, and bathrooms have floor-to-ceiling marble and pod-like soaking tubs.
The oils are steam-distilled or mechanically pressed from flowers, trees, shrubs, fruit, roots, rinds, resins and herbs.
Space all plants in Zone 1 carefully, using low-growing vegetation that’s free of resins, oil and waxes.
According to a Boeing spokesman who attended the Paris presentation, Delaney said Boeing is considering all options for fabricating the composites, including various new out-of-autoclave and resin infusion methods.
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
First Known Use: 14th centurySee Words from the same year
Definition of resin
resiningplay \ˈre-zən-iŋ, ˈrez-niŋ\
: to treat with resin
First Known Use of resin
RESIN Defined for English Language Learners
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
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 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 (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
Seen and Heard
What made you want to look up resin? Please tell us where you read or heard it (including the quote, if possible).