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periodic system: Meaning and Definition of

pe'ri•od'ic sys'tem

Pronunciation: (pēr'ē-od'ik, pēr"-), [key]
— Chem. Chem.
  1. a system of classification of the elements based on the periodic law.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
periodic sentence periodic table
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