nanometer, n.All

A red blood cell is about 7000 nm wide

A nanometer is the size of about 10 hydrogen atoms laid side by side

A nanometer is the size of around 5 atoms placed end to end

A DNA molecule is about 2.5 nanometers in width

Fingernails grow at the rate of a nanometer per second

If everyone on Earth was the size of a nanometer, we could all fit inside a a thimble

A human hair is about 50,000 to 100,000 nanometers wide

A pinhead is around a million nanometers wide