Nanometre - Wikipedia
The nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm), or nanometer (American spelling), is a unit of length in the International System of Units (SI), equal to one billionth (short scale) of a meter (0.000000001 m) and to 1000 picometres. One nanometre can be expressed in scientific ...
Size of the Nanoscale - National Nanotechnology Initiative
One nanometer is about as long as your fingernail grows in one second. The illustration below has three visual examples of the size and the scale of nanotechnology, showing just how small things at the nanoscale actually are.
Nanometer Definition & Meaning - Merriam-Webster
Oct 9, 2024 · noun. nano· me· ter ˈna-nə-ˌmē-tər. : one billionth of a meter. Examples of nanometer in a Sentence. Recent Examples on the Web. These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
What is a Nanometer? - Lifewire
Jul 30, 2021 · A nanometer (nm) is a unit of length in the metric system, equal to one billionth of a meter (1 x 10-9 m). Many have likely heard of it before–it’s frequently associated with nanotechnology and the creation or study of very tiny things.
Nanotechnology - Wikipedia
Nanotechnology is the science and engineering of functional systems at the molecular scale. In its original sense, nanotechnology refers to the projected ability to construct items from the bottom up making complete, high-performance products. One nanometer (nm) is one billionth, or 10 −9, of a …
NANOMETER | definition in the Cambridge English Dictionary
A nanometer is one billionth of a meter and roughly 1000 times smaller than the width of a human hair.
Exploring the Nanometer in Science and Technology - Nanowerk
Definition: A nanometer is a unit of length in the metric system, equal to one billionth of a meter, used to measure dimensions on an atomic and molecular scale.
What is a nanometer? | National Nanotechnology Initiative
A nanometer is one billionth of a meter. (A meter is 39.37 inches, or slightly longer than one yard.) The prefix “nano” means “one billionth”, or 10 -9, in the international system for units of weights and measures. The abbreviation for nanometer is "nm."
Just How Small Is “Nano”? - National Nanotechnology Initiative
In the International System of Units, the prefix "nano" means one-billionth, or 10-9; therefore, one nanometer is one-billionth of a meter. It’s difficult to imagine just how small that is, so here are some examples: • A sheet of paper is about 100,000 nanometers thick. • A strand of human DNA is 2.5 nanometers in diameter. • A human ...
Nanotechnology - Education | National Geographic Society
Oct 19, 2023 · A nanometer is an extremely small unit of length—a billionth (10-9) of a meter. Just how small is a nanometer (nm)? On the nanometer-scale, materials may exhibit unusual properties. When you change the size of a particle, it can change color, for example.