nanoparticle

== English == === Etymology === From nano- +‎ particle. === Noun === nanoparticle (plural nanoparticles) Any microscopic particle less than about 100 nanometers (nm) in diameter. ==== Usage notes ==== In aerosol science, the term is often reserved for particles less than 50 nm in diameter; ultrafine particle is used for particles less than 100 nm in diameter. ==== Derived terms ==== ==== Translations ==== === See also === nanotechnology quantum dot ultrafine particle === Further reading === nanoparticle on Wikipedia.Wikipedia