Definition of smart dust in US English:

smart dust


  • A collection of microelectromechanical systems forming a simple computer in a container light enough to remain suspended in air, used mainly for information gathering in environments that are hostile to life.

    • ‘Well, we already have concepts of smart dust, and self-organising swarms and motes.’
    • ‘Next, a laser - say, on an airplane flying over a desert sandstorm - would read the spectrographic signature of the smart dust to see what agents the particles had encountered.’
    • ‘Others see the futuristic battlefield equipped with unmanned fighter jets pulling 20 G's, smart dust sensors seeding the battlefield and integrated circuits built one atom at a time.’