"Nanoparticle" Natural Recordings by Native Speakers
A nanoparticle is a tiny particle that is typically between 1 and 100 nanometers (nm) in size. It is a matter that has a large surface area and a small volume. Nanoparticles can be made of a variety of materials, including metals, polymers, and biological molecules. They are used in a wide range of applications, including medicine, cosmetics, and electronics.