Question

define nanotechnology​

Answer 1

Answer:

the branch of technology that deals with making structures that are less than 100 nanometres long. Scientists often build these structures using individual molecules of substances

Answer 2

Answer:

Nanotechnology is a field of research and innovation concerned with building 'things' - generally, materials and devices - on the scale of atoms and molecules. A nanometre is one-billionth of a metre: ten times the diameter of a hydrogen atom. The diameter of a human hair is, on average, 80,000 nanometres.