follow Dictionary.com

11 Trending Words of 2014

periodic system

[peer-ee-od-ik, peer-] /ˈpɪər iˈɒd ɪk, ˌpɪər-/
noun, Chemistry
1.
a system of classification of the elements based on the periodic law.
Origin
1870-1875
1870-75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for per iodic system

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
Cite This Source

Word of the Day

Difficulty index for periodic system

Few English speakers likely know this word

Word Value for per

5
6
Scrabble Words With Friends

Nearby words for per iodic system