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periodic system

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

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

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Origin of periodic system

First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for periodic system

periodic system
/ (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
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