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
Examples of resin in a Sentence
Recent Examples on the Web
Bestreviews, The Mercury News, 14 Feb. 2025
Embalmers had different recipes for preparing and preserving bodies depending on the era; the budget; the level of nobility and gender of the deceased; and the availability of ingredients such as plant resins, oils and other unguents that could preserve and perfume the remains.
—Sarah Everts, Smithsonian Magazine, 13 Feb. 2025
Adrienne Jordan, Better Homes & Gardens, 18 Oct. 2021
Not resin, not pine tar, not sunscreen, just Lena Blackburne Baseball Rubbing Mud is permitted.
—Bernie Pleskoff, Forbes, 24 June 2021
See All Example Sentences for resin
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Noun
Their watch bands are made of lightweight yet durable materials such as stainless steel, silicone, rubber, resin, or sometimes titanium.
—Bestreviews, The Mercury News, 14 Feb. 2025
Embalmers had different recipes for preparing and preserving bodies depending on the era; the budget; the level of nobility and gender of the deceased; and the availability of ingredients such as plant resins, oils and other unguents that could preserve and perfume the remains.
—Sarah Everts, Smithsonian Magazine, 13 Feb. 2025
Verb
Next, consider the best shed material—options range from steel to resin to wood—for your home's climate.
—Adrienne Jordan, Better Homes & Gardens, 18 Oct. 2021
Not resin, not pine tar, not sunscreen, just Lena Blackburne Baseball Rubbing Mud is permitted.
—Bernie Pleskoff, Forbes, 24 June 2021
See All Example Sentences for resin
Cite this Entry
“Resin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/resin. Accessed 27 Feb. 2025.
Copy CitationMedical Definition
resin
noun
res·in
ˈrez-ᵊn 
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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