picometer
English Thesaurus
1. a metric unit of length equal to one trillionth of a meter (noun.quantity)
hypernym | : | metric linear unit, |
definition | : | a linear unit of distance in metric terms (noun.quantity) |
part holonym | : | femtometer, femtometre, fermi, |
definition | : | a metric unit of length equal to one quadrillionth of a meter (noun.quantity) |
part meronym | : | a, angstrom, angstrom unit, |
definition | : | a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation (noun.quantity) |
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