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n. Abbr. nm
One billionth (10-9) of a meter.


(ˈnæn əˌmi tər, ˈneɪ nə-)

a unit of measure equal to one billionth of a meter. Abbr.: nm
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nanometer - a metric unit of length equal to one billionth of a meter
metric linear unit - a linear unit of distance in metric terms
A, angstrom, angstrom unit - a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
micrometer, micron - a metric unit of length equal to one millionth of a meter
References in periodicals archive ?
According to computer simulations by physicists at the Georgia Institute of Technology in Atlanta, a fantastically tiny squirt gun that can spit liquids a few hundred nanometers ought to work--if it can be built.
Using STEM and EELS together -- STEM for basic atomic structure, EELS for identifying elements -- the chemists could distinguish concentrations of trace elements below 10 parts per million in regions of a specimen only 10 nanometers wide, "which translates to near single-atom sensitivity.
Small is beautiful" has become the motto of chemists investigating molecular arrays on the nanometer (10-9 meter) scale.