periodic system

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

noun Chemistry.

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

Nearby words

  1. periodic law,
  2. periodic motion,
  3. periodic neutropenia,
  4. periodic paralysis,
  5. periodic sentence,
  6. periodic table,
  7. periodic table of the elements,
  8. periodic tenancy,
  9. periodical,
  10. periodical cicada

Origin of periodic system

First recorded in 1870–75

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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