nanoparticle

Definitions

Any microscopic particle less than about 100 nanometers (nm) in diameter.

Equivalents

Examples

“Nanoparticles of various sorts are already found in products like⟳ sunscreen, paint⟳ and inkjet paper. More exotic varieties offer⟳ promise⟳ in medicine for sensitive diagnostic tests and novel treatments: the detection of Alzheimer's disease by finding a protein in spinal fluid, for instance, or nanoparticles that heat up and kill⟳ cancer cells.”

“The high surface area of a nanoparticle relative to its weight and volume makes it behave differently from larger masses of the same material.”

CEFR level