The science and technology of nanoscale devices and materials, such as electronic circuits, constructed using single atoms and molecules.
a branch of technology dealing with the manufacture of objects with dimensions of less than 100 nanometres and the manipulation of individual molecules and atoms
nan•o•tech•nol•o•gy(ˈnæn ə tɛkˌnɒl ə dʒi, ˈneɪ nə-)
a technology executed on the scale of less than 100 nanometers, the goal of which is to control individual atoms and molecules, esp. to create computer chips and other microscopic devices.