nanoparticle
noun
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Nanoparticles of a material usually have very different qualities from those that the material has at its ordinary scale, which is one reason why there's such excitement about the possibilities for how they might be used in future technologies. Many uses have already been developed. Aluminum nanoparticles added to rocket fuel can make the fuel burn twice as fast and release much more energy. Silicon nanoparticles are increasing the energy efficiency of solar cells by allowing the energy from ultraviolet light to be captured for the first time. Other nanoparticles are now helping prevent rust in metals, produce stronger batteries, enhance the diagnosis of cancer, and improve the filtering of water, and the number of other applications is growing fast.
Examples of nanoparticle in a Sentence
Jennifer Esposito, Forbes.com, 16 June 2025
Lipid nanoparticles offer a way to bypass many of the immune challenges posed by viral vectors.
—William A. Haseltine, Forbes.com, 17 June 2025
By encapsulating the chemical compounds from the algae in silica nanoparticles and then suspending them in a liquid gel that would later solidify when exposed to ultraviolet light, the scientists created SNAP-X, which can cure in place and deliver extended chemical signals.
—City News Service, San Diego Union-Tribune, 14 May 2025
For that reason, the researchers started by encasing the chemical molecules in durable silica nanoparticles.
—Ben Coxworth
may 26, New Atlas, 26 May 2025
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Cite this Entry
“Nanoparticle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nanoparticle. Accessed 24 Jul. 2025.
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nanoparticle
noun
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