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periodic system

American  
[peer-ee-od-ik, peer-] / ˈpɪər iˈɒd ɪk, ˌpɪər- /

noun

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


periodic system British  
/ 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

Etymology

Origin of periodic system

First recorded in 1870–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

From Washington Post Aug. 3, 2022

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.

From Washington Post Jul. 31, 2022

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.

From The New Yorker Dec. 27, 2019

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.

From Scientific American Sep. 21, 2013

For many years the periodic system was considered closed at 92.

From A Brief History of Element Discovery, Synthesis, and Analysis by Watson, Glen W.

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