picometre

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picometre

(ˈpiːkəʊˌmiːtə)
n
(Units) measurement a trillionth fraction of metre
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
For comparison, an atom is around one to five-hundred picometres in diameter, and a human hair is 100,000,000 picometres across.
The requirement set for the instrument was around 6 picometres, measured over 1000 seconds, which the team initially bettered in 2010.