Nanotechnology is the science of making or working with things that are so small that they can only be seen using a powerful microscope.
N-UNCOUNT
Nanotechnology is the science of making or working with things that are so small that they can only be seen using a powerful microscope.
N-UNCOUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012