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
Ben Morse, CNN, 5 Apr. 2024
The ship carried 56 containers with hazardous materials, and of those, 14 that carried perfumes, soaps and unspecified resin had been destroyed.
—Mike Catalini, Quartz, 29 Mar. 2024
See all Example Sentences for resin 
Noun
The lenses of solar eclipse glasses are made of black polymer, or resin infused with carbon particles, that blocks nearly all visible, infrared and ultraviolet light, according to The Planetary Society.
—Ben Morse, CNN, 5 Apr. 2024
The ship carried 56 containers with hazardous materials, and of those, 14 that carried perfumes, soaps and unspecified resin had been destroyed.
—Mike Catalini, Quartz, 29 Mar. 2024
See all Example Sentences for resin
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'resin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near resin
Cite this Entry
“Resin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/resin. Accessed 3 May. 2024.
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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