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Word: nanoparticle (lookup usage) (lookup stats)


Meaning:

Noun:

  • any microscopic particle less than about 100 nanometers (nm) in diameter. In aerosol science, the term is often reserved for particles less than 50 nm in diameter; the term "ultrafine particles" is used for particles less than 100 nm in diameter.

Source: Wiktionary | Src Info »