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periodic system

American

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

noun

Chemistry.

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

periodic system British

/ ˌpɪərɪˈɒdɪk /

noun

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.

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 story of the periodic system for classifying the elements can be traced back over 200 years.

From Scientific American • Jan. 21, 2011

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.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023