nanomachinenan‧o‧ma‧chine /ˈnænəʊməˌʃiːn $ -noʊ-/ (also nan‧ite /ˈnænaɪt/) noun [countable] 
a machine so small that its parts are made of single molecules. Scientists are trying to make nanomachines for use in medicine.
a machine so small that its parts are made of single molecules. Scientists are trying to make nanomachines for use in medicine.