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periodic system

[ peer-ee-od-ik, peer- ]

noun

, Chemistry.
  1. a system of classification of the elements based on the periodic law.


periodic system

/ ˌpɪərɪˈɒdɪk /

noun

  1. the classification of the elements based on the periodic law
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of periodic system1

First recorded in 1870–75
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Example Sentences

It cited aged software, periodic system failures, mistakes in programming and overreliance on manual input of data, The Washington Post reported Sunday.

The mechanics of the entire transplant system must be overhauled, the review concluded, citing aged software, periodic system failures, mistakes in programming and overreliance on manual input of data.

But, Scerri explains, the Russian chemist was a master storyteller and, compared to Meyer and other competitors, a more effective evangelist for the periodic system.

The very first hint of chemical periodicity was announced by a French engineer, Alexandre-Émile de Chancourtois, who also designed a three-dimensional periodic system that he named the telluric screw.

The periodic system has two levels of classification: a primary level, based on atomic numbers of the elements, and a secondary one, based on chemical properties.

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periodic sentenceperiodic table