picometre

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picometre

(ˈpiːkəʊˌmiːtə)
n
(Units) measurement a trillionth fraction of metre
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.picometre - a metric unit of length equal to one trillionth of a meter
metric linear unit - a linear unit of distance in metric terms
femtometer, femtometre, fermi - a metric unit of length equal to one quadrillionth of a meter
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
References in periodicals archive ?
The requirement set for the instrument was around 6 picometres, measured over 1000 seconds, which the team initially bettered in 2010.
The accuracy required to detect such a subtle change is phenomenal: around a hundredth the size of an atom - a picometre.
During the latest testing, a staggering 2 picometre accuracy was obtained, far exceeding the best performance for an instrument of this type.